Janice is contacted by Richie Catena, a mob button man and former associate of Marino. They want her to start doing favors for them again or they will expose her past activities with the late Marino. Janice agrees to co-operate with them without telling Kelly, but she tells Inspector Lastarza who tells her to go along with it. Meanwhile, Martinez is distraught when he learns that his brother has died from a drug overdose. But their father, Hector, wants to go out and kill the pusher who's responsible for his son's overdose. Also, Medavoy celebrates his 40th birthday and later musters enough courage to ask Donna out on a date to an ice skating rink.

Janice's murder trial begins, where Kelly risks the consequences when he testifies on Janice's behalf about their brief affair which results in the Internal Affairs Bureau investigating him. Meanwhile, Sipowicz works with an abused woman who's reluctant to testify against her husband. Medavoy, Martinez, Sipowicz and Kelly investigate robberies of drug dealers in their apartments. Sipowicz's AA sponsor wants him to agree to abide by a contract before he lets him try to restart his relationship with Sylvia. Donna tries to give Medavoy advice about dealing with his divorce. Also, Robin leaves Kelly for good when he tells her that he still has feelings for Janice.

Internal Affairs begins to investigate Kelly and Sipowicz's arresting of the officers they caught robbing drug dealer's apartments, then they begin looking into Kelly's handling of the notebook that was part of Medavoy's case. Janice's murder trial continues where she takes the witness stand to give an emotional testimony about her reluctant involvement with the mob and is sent to prison with a two-year sentence. Meanwhile, Kelly and Sipowicz investigate a double murder.