Danny and Baez investigate a murder of a lower income resident in a luxury building where 20 percent of the units are made affordable for lower income housing. Also, Frank takes issue with a detective friend of Gormley's who takes advantage of his position with legal loopholes.

When an emotionally distraught man holds Baez hostage at gunpoint in an interrogation room after she served him with a restraining order, Danny must try to meet his demands before he harms her. Meanwhile, Frank is faced with a personal and moral dilemma when Garrett asks for help in dropping charges filed against his son.