Medavoy leaves his wife and finally tells Donna about his romantic feelings for her, which turn out to be mutual. Sharon LaSalle, a police academy classmate of Kelly's, joins the squad and shortly after, she and Sipowicz investigate the death of her husband, Danny, who was an ex-cop trying to stop a robbery during her first day at the 15th precinct. Kelly and Sipowicz relentlessly try to track down the two robbers responsible, while an an ambitious publicity-seeking reporter plots to take advantage of the case to further advance his own career. Meanwhile, an alcoholic woman keeps lodging complaints to Kelly against her abusive husband that she never follows through with.

Russell worries about her mother's pending grand jury trial for the intentional murder of her father. Meanwhile, Sipowicz and Simone search for the killer of a mobster's son, that reveals a family affair. The pompous lawyer of a suspect in another murder case impedes Medavoy and Russell's investigation and the erratic behavior of son of the victim doesn't help much either. Also, Martinez and Lesniak investigate another murder case that may be connected to Sipowicz and Simone's murder suspect who now may be on a killing rampage.

While tracking down Jimmy, who drugged and date-raped her the previous night, Russell works with Martinez and Medavoy on a case where a man with a muscular dystrophy was killed in a very tight knit community. Meanwhile, Simone and Sipowicz work on another murder case that may have been masterminded by a married couple. Also, Fancy wrestles with Captain Bass and knowledge of the fact that Simone is going to be promoted to Detective 1st Grade, and Sipowicz isn't.