Promises To Keep...: Yolanda and SIU throw themselves into solving Jimmy's case. When left with the facts they come with only one conclusion, SIU has a dirty cop. Yolanda and Tarik follow a lead and find Darius with Argon. A final confrontation between Yolanda and Darius leaves the team with more questions, all the while Jimmy's life hangs by a thread in the powerful season finale of Bronx SIU.