Jamie gets Danny involved when he finds a homeless teen who claims his aunt was killed by her boyfriend. Meanwhile, Erin is angered when McCoy replaces her as the prosecutor on a case involving a corrections officer.

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.