Harry Sutton Jr.

Danny contemplates retirement, but Erin steps in and requests his help for a case involving her ex-husband. Frank clashes with the new mayor, while Eddie and Jamie pose as a couple.

Danny tracks the distributor of a new, deadly type of heroin; Frank does everything he can to help Danny get the drug off the streets.

When an officer is outed and his partner refuses to ride with him, Danny and Baez are asked to work with new partners temporarily; Eddie and James try to steal a collar from a pompous detective; Frank speaks out about equality on the force.

DA investigator Anthony Abetemarco helps Erin when she is forced to take a case from a colleague, ADA Kelly Blake; Eddie and Jamie pose as an elderly couple in order to catch a gang.

Danny and Baez work with Texas Ranger Waylon Gates when they are put on a case to find the Lone Star Killer; after Eddie's partner mistakenly shoots an undercover cop, internal affairs accuses Jamie of not supervising properly.

Frank orders a raid to round up those with an outstanding warrant after a video surfaces of cops being harassed.