Will Hochman

Danny and Baez join forces with Danny's old partner when a serial killer reappears; Eddie helps a woman who accuses a sergeant of rape.

Frank causes family tension when he assigns Jamie to guard Danny after a hit is put on him; Eddie gets a hostile new partner.

Frank grapples with the loss of his best friend and how best to help his daughter when she lands in jail. Danny and Erin clash.

The Reagans' professional lives converge when an allegation of jury tampering against Erin intertwines with Danny and Baez's homicide case.

The job takes a dangerous turn for the Reagans when Eddie and Jamie deal with a domestic violence case, on the season premiere.

Danny gets involved when Sean becomes the latest victim in a series of robberies; Erin grows suspicious of an overworked attorney.