Dr. Halstead jeopardizes his career when he goes against a family's orders and revives a terminally ill cancer patient.

Doctors Rhodes and Choi disagree over a dying patient's request.

Dr. Halstead (Nick Gehlfuss) and Sharon Goodwin (S. Epatha Merkerson) deal with a husband intent on harvesting his recently deceased wife's eggs, but soon discover some vital information that surprises everyone. Dr. Charles (Oliver Platt) is brought in by Dr. Choi (Brian Tee) to aid a patient who is trying to remove his own arm from his body because he feels like it doesn't belong. Nurse Sexton (Yaya DaCosta) befriends the father of a child who is rushed into the hospital after swallowing magnets - a situation that Dr. Rhodes (Colin Donnell) and Dr. Manning (Torrey DeVitto) are concerned could present dangerous complications. Meanwhile, Sarah Reese (Rachel DiPillo) finally learns about where she will do her residency, but has last-minute second thoughts.

Doctors Rhodes and Downey have a disagreement over a patient's emergency heart surgery.

April and Dr. Halstead treat an alcoholic homeless man with a broken leg.

The doctors of Chicago Med experience various changes.

Dr. Choi mentors a Navy corpsman, while two cases involving sick babies may have a connection.

Dr. Manning tends to a young cancer patient and struggles to inform the parents of her dire condition. Elsewhere, Dr. Reese gets contacted by Danny, the troubled young man, and turns to Dr. Charles and Det. Lindsay for help in resolving a difficult situation. Goodwin and Maggie do their best to clear the logjam in the hospital and Dr. Rhodes fine-tunes his instincts after both Dr. Latham and Dr. Halstead pick up on things he doesn't. Meanwhile, a teenage science geek and her friends impress Dr. Choi and Natalie with their bio-engineering lab.

April discovers her TB medication may lead to further problems, while Dr. Choi learns an important lesson as he treats two MMA fighters who are in bad shape.

Maggie faces her past when the police officer who arrested her is brought into Chicago Med with a serious injury.

Dr. Reese endures a long night on the graveyard shift, while Dr, Rhodes is asked to work on a most unusual patient.

Dr. Latham is talked into going with Dr. Rhodes on a medical trip out of town; an 8-year-old cancer patient wants to give up; a woman with a personality disorder makes a case complicated.

The doctors and nurses of Chicago Med brace for an influx of patients when a multi-vehicle accident during a blizzard puts the hospital in scramble mode.

Dr. Rhodes is under pressure to keep a trauma patient alive and April befriends a patient with a failing heart.

Dr. Manning deals with treating a comatose young woman who's pregnant.

Choi and Halstead argue over how to treat a patient with stroke symptoms while Manning treats a boy who fell in the river and watches the family drama unfold.

Rhodes tries to save a mother who's determined to help her daughter beat cancer.

Dr. Rhodes clashes with Dr. Charles and other medical staff over how to treat Dr. Charles's daughter Robin.

Robin returns to the hospital with more complications; Rhodes faces competition from a new doctor.

The doctors of Chicago Med attempt to bring the person who shot Dr. Charles to justice.

Dr. Manning goes to extreme measures to help a fearful pregnant woman whose baby is severely underdeveloped. April is angered by Dr. Choi when he uses their personal relationship as leverage to convince a patient of a risky procedure. As Dr. Rhodes attempts to balance his personal and professional life, it appears the stress of his current situation may have caused him to make a huge mistake. Dr. Charles and Dr. Reese continue to disagree about their psych patients.

Financial concerns from the board cause tension between Chief Goodwin and her staff. Goodwin is faced with some difficult choices. Meanwhile, Dr. Charles and Dr. Reese deal with a patient who believes there is something living inside of his stomach. Dr. Choi and Halstead work together on a strange case of their own.

Dr. Charles learns a troubling fact about the man who shot him. Dr. Rhodes and Dr. Bekker come to an agreement during a complicated surgery. Will and Natalie are trapped by legal ethics when an unfaithful husband refuses to tell his wife about his inconclusive Zika test. Meanwhile, April and Noah discover working together isn't always easy while Goodwin continues to argue with the board over hospital costs after an avoidable patient death.

When a young woman with HIV symptoms and no insurance refuses to take the test, Goodwin and Dr. Choi attempt to treat her without taking a toll on the hospital's resources. Natalie and Will try to diagnose a young girl with increasing paralysis. Noah deals with his first death as a resident and takes it upon himself to inform the family. Sarah continues to avoid work as her fear over the hospital's security increases.

Ethan attempts to diagnose a man with no symptoms while Sarah's paranoia goes to the extreme when she uses pepper spray on an aggressive patient. Will treats a young couple willing to sacrifice anything in order to have a baby. Meanwhile, Natalie must inform a woman that she was sterilized as a young girl without knowledge, and Goodwin and Maggie devise a way to persuade paramedics to bring in more patients.

Dr. Choi struggles to help a woman cope with anorexia. After a two-week suspension, Dr. Reese is immediately put to the test upon her return by Dr. Charles. Dr. Rhodes takes a stand when one of his patients is forcibly transferred. Meanwhile, Dr. Halstead is on a mission to get Dr. Manning's son to like him.

After discovering that a patient's family might have been abusive, Dr. Choi and April contemplate calling child services. Dr. Manning and Dr. Halstead struggle to see eye to eye in guiding a family who is dealing with their premature baby. Dr. Rhodes is persuaded into preforming a risky surgery on Dr. Bekker's mentor and world renowned surgeon, Dr. Marvin Jaffrey. Meanwhile, Dr. Reese joins Dr. Charles on a visit to the Cook County jail.

Dr. Manning hits her head while helping the victim of a drive-by shooting; Dr. Rhodes learns surprising information about the woman he dated.

Dr. Manning and Dr. Choi help a pregnant teen deliver her baby at a homeless encampment.

Halstead and Manning are at odds when a woman makes a decision about her vegetative adult son; Rhodes goes behind Bekker's to get his patient to the top of the transplant list; a woman in the waiting room won't wake up.

Med goes on lock-down when a baby is abducted; Rhodes must figure out how to get into the operating room to help with an open-heart surgery; Manning and Halstead disagree on how a patient should be treated.

Dr. Bekker takes the lead on a surgery, then takes the heat when something goes wrong.

Dr. Manning rushes to save a young boy with a life threatening case of the flu; April suspects Dr. Choi's sister stole opioid pain killers; Dr. Rhodes and Dr. Bekker disagree over the best treatment for a cardiac patient who is 21 weeks pregnant.

Goodwin clashes with new hospital COO Gwen Garrett while April questions whether Ethan's sister is using drugs again; Charles confronts his past actions.

The CPD pays Dr. Halstead an unexpected visit; Ethan is skeptical of a woman experiencing chronic pain; Natalie takes care of a cancer patient whose brother refuses to help.

Will must lie to Natalie; Ethan and April uncover compromising information about Emily's boyfriend; Ava isn't sure what to do with a patient who doesn't want treatment.

Manning and Halstead work quickly to save a physically abused wife; Choi and April discover a shocking truth about a 14-year-old cirrhosis patient; Rhodes and Lanik face off in the ER.

The ED goes on lock-down due to a deadly chemical spill that threatens the lives of patients and leaves one of Med's own in the balance; Rhodes and Manning attempt to perform live-saving surgeries.

Dr. Charles and Dr. Choi are at odds over surgery. Dr. Rhodes finds himself in hot water.

Will and Natalie prepare for their big day, but an unsuspecting Will soon finds himself sidetracked.

Halstead takes heat for making an unauthorized move to treat his pregnant patient. Choi becomes personally invested when treating a homeless veteran. Rhodes and Bekker deal with a patient who desperately needs a liver transplant.

Dr. Halstead rushes to rescue Dr. Manning from a chopper crash. Drama between Dr. Rhodes and Dr. Bekker boils over. Dr. Charles and Dr. Choi work to help a patient with their addiction. April helps Elsa deal with losing her first patient.

Halstead hides the theft of his gun from a suspicious Manning. Tensions are still high between Connor and Bekker, who take a risk operating on an HIV-positive patient. Hank breaks down when he sees a patient from his past.

Connor, who is in hot water with the hospital's Oversight Committee, handles a gunshot victim with unexpected ties to Halstead. Maggie feels guilty about the return of a former patient. Charles has an awkward first date.

Natalie and Maggie witness a pickup truck plow through a street fair and must make tough decisions on the fly. At the hospital, doctors and nurses are on high alert with the influx of patients. Dr. Charles' ex-wife comes to town with news.

Dr. Charles and Dr. Manning disagree on how to handle a patient who they discover is poisoning herself. Dr. Rhodes throws some serious accusations at Dr. Bekker. Dr. Halstead has suspicions about Natalie's new boyfriend. Dr. Choi tends to Bernie.

Caroline shares news that forces Dr. Charles to make a serious decision about their relationship. Maggie meets her sister's new boyfriend but danger may lie ahead. Dr. Rhodes experiences a huge loss. Dr. Choi and April face an unexpected challenge.

Dr. Charles and Caroline set some major plans; Ava fights to keep her relationship with Connor. Agent Lee informs Will of news that may put his life in danger.

Will and Natalie battle for their lives after a car accident. An investigation is launched following the suspicious death of Cornelius Rhodes. Maggie receives life-changing news. Dr. Charles cuts his honeymoon short to tend to a patient.

A power outage at Med puts multiple patients at risk and tests the skills of the staff and their enthusiastic med students; Natalie returns following her traumatic brain injury; Ethan and April wonder if a family is in their future.

Dr. Manning's actions with a recent patient lead to serious repercussions. April and Noah disagree over a patient who is injured after a beating. Dr. Charles is visited by a childhood friend with a surprising revelation.

Dr. Manning's actions with a recent patient lead to serious repercussions. April and Noah disagree over a patient who is injured after a beating. Dr. Charles is visited by a childhood friend with a surprising revelation.

Dr. Charles and Dr. Halstead sink their teeth into a bloodthirsty case. Dr. Marcel and Maggie throw a traditional craw-fish boil for the staff. A new relationship blossoms while another is left on rocky ground.

A a former patient of Dr. Halstead's resurfaces. Upon Ethan's return, April deals with telling the truth or keeping her secret. Dr. Charles deals with the death of his wife.

After a major accident at O'Hare, the E.D. is concerned one of their own is in mortal danger. Will's proposal for a safe injection site goes to the board for consideration. Natalie and Goodwin become concerned for Gwen.

The team deals with the aftermath of a school bus crash. Dr. Charles worries Dr. Halstead is putting his medical license in jeopardy. Maggie helps a friend in need.

Two brothers in critical condition are rushed into the hospital by their parents, leaving Dr. Choi, April and Dr. Charles to tend to their care and left to piece together what actually transpired. Dr. Manning becomes suspicious of a new mother entering the E.D. Dr. Halstead's tireless activities at the safe injection site start to take a toll on his work.

Dr. Charles and Dr. Manning treat a patient who is fully invested in pretending to be someone other than himself. Noah begins to doubt his abilities as a doctor. Dr. Marcel and Dr. Choi are faced with a tough ethical decision. Dr. Halstead puts his faith in an addict.

Dr. Crockett is visited by two New Orleans detectives who have questions about his past. Dr. Choi puts his life in danger to save a child. Dr. Charles gives fatherly advice to his young daughter.

Dr. Halstead's drug trial continues to be successful. Anna receives life changing news. Noah finds himself in a place even April cannot help.

Dr. Choi helps a patient with chronic pain find a solution. Dr. Halstead considers a new path. Dr. Charles and Anna bond over a scary situation.

Halstead runs into trouble when one of his trial patients falls ill. His own stress and symptoms have Choi struggling to get through the day.

As Manning deals with her own trauma, she steps in to help a mother in need. Archer continues to stir the pot with more than one doctor. A patient comes to Med needing immediate treatment but doesn't want it from them.

Crockett deals with a patient who ends up having more in common with him than he thinks. Will and Ethan clash over a pregnant patient with an irregular heartbeat.

Ethan teams up with an unexpected person to treat a famous tennis player who is afraid his career might be over. Goodwin's new protocols cause a stir.

Archer and Choi go in to the field but the scene brings war flashbacks. Carol's condition worsen and Manning tries to get her enrolled in Halstead's drug trial.

An auto accident sends Goodwin into a spiral as she tries to help a young boy and his mother. Natalie's secretive behavior begins to draw the attention of Dr. Marcel and Dr. Halstead.

Third-year med students begin their rotation in the ED and Maggie keeps a careful eye on one of them. Natalie, whose mom's health takes another decline, tries to cover up how she broke the rules to treat her.

Crockett worries he made a surgical error when a recent transplant patient comes in with complications. Carol is once again in distress. Will and Natalie must take action to right their wrong.

Will Halstead returns to Med to help Goodwin with a secret investigation. Archer and Charles deal with twins who insist on being identical inside and out. Stevie and Dylan treat a young patient with sickle cell anemia.

Vanessa and Archer disagree on how to handle the victim of a motorcycle accident; Scott and Charles deal with a UNICEF negotiator with repressed trauma; Hammer and Halstead treat a high schooler with Addison's disease and a clingy mother.

Scott and Halstead deal with a dishonest patient whose lupus is in remission; a wealthy donor makes inappropriate advances toward Hammer; Vanessa, Marcel and Charles try to convince a young woman to have life-saving surgery.

Charles helps Dylan with a longtime patient who was recently diagnosed with schizophrenia. Stevie, Maggie and Vanessa investigate the legitimacy of a cancer patient's diagnosis. Crockett is caught off-guard. Will pitches a new medical technology.

Marcel helps Blake replace a patient's liver; Taylor tries to prove herself; Halstead continues to pursue the truth about Cooper; Choi gets closer to returning to life in the ED.

Will and Stevie get stuck in the middle of a marital face-off. Dr. Blake's entire surgical team mysteriously collapses during a liver transplant. Charles encourages Ethan to reconcile with his father.

Dylan and Archer diagnose a pregnant woman with a serious infection. Maggie receives shocking news. Will and Charles question an elderly patient's Alzheimer's diagnosis. In an effort to help, Crockett takes a risk.

Rival gangs bring their war to Med; Halstead and Charles work with a teenage brain cancer patient who's refusing treatment; tensions run high in the OR when a patient's transplanted uterus fails.

Archer and Asher come into conflict over a patient with close ties to Goodwin. After a patient is shot during a burglary, Scott and Marcel help with the investigation.

Supply chain disruptions dramatically impact Med causing Crockett and Kai, a new surgical resident, to clash with other doctors.

Charles and Cuevas clash over the treatment of a paranoid patient. Choi treats a pregnant woman from Asher's past. Marcel and Taylor help a man who needs a risk neurosurgery.

Supply chain shortages continue to impact the ED when Taylor's drug dealer reappears. One of the victims of the recent train crash needs a transplant, forcing Marcel to improvise. Charles and Cuevas help a patient with amnesia.

Marcel adjusts to his newfound fame when he helps Halstead treat a local restaurant owner. Choi, Charles and Goodwin aid a new mother who worries about hurting her baby. Maggie and Taylor clash with a workaholic patient.

Med runs out of scrubs, forcing the staff to improvise. The life of Archer's son is in danger.

Halstead and Marcel facilitate a trans-organ exchange; Asher and Cuevas help an assault survivor.

Will relies on Crockett and Med's newly donated OR 2.0 to save his patient. Charles helps an elderly confused patient who's mourning the loss of his high school sweetheart.

Marcel and Charles treat Lieu's gym buddy; Maggie and Halstead help a robbery-homicide suspect; Asher and Archer use Med's new opiate abuse AI programme.

A brutal storm rocks Chicago. Will encourages Dr. Grace Song to go against her own findings for the benefit of their patient. Hannah rushes to the hospital to help Archer's pregnant patient. Maggie's concern for Ben consumes her.

The hospital is in disarray when the janitors go on strike. Crockett treats a young girl injured on her family's farm. Charles and Nellie's schizophrenic patient returns to Med. Archer encounters a patient with foreign material in her stomach.

A documentary crew visits Med to film Marcel and Abrams' groundbreaking surgery. Archer refuses to ask for help for his kidney issues. Halstead develops feelings for a coworker.

Dr. Marcel and Dr. Halstead fight against Med's new policies to save their cancer patient.