Ian Quinlan

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

Danny and Baez investigate an attack that leaves a friend hospitalized. Jamie begs Erin to release a perp who can lead him to a criminal.

Anthony's daughter is the sole eyewitness to a fatal shooting; Frank wants to punish an off-duty cop for inaction during an armed robbery.

Danny partners with Anthony to solve a double homicide; Eddie and Jamie's work and personal relationship becomes strained.

Frank contends with a potentially dirty cop within his ranks; Eddie and Badillo track down the culprits behind the theft of a bookstore.

Reagan family tensions run high when Frank and his grandson, Joe Hill, contend with an insult to the memory of Joe's father, Joe Reagan.