Danny and Baez work the case of a detective who was gunned down prior to testifying against a career criminal. Also, Frank personally investigates when Garrett is attacked by a SWAT team outside his home, and Erin brings in a confidential informant against Anthony's wishes.

When a famous basketball player is found dead of an apparent drug overdose, Danny looks into his possible ties to a local drug gang. Also, Erin revisits the case of a man she may have wrongfully convicted years ago, and Frank is approached by Archbishop Kearns regarding an eviction matter Jamie and Eddie are working on.