Yolanda and SIU throw themselves into solving Jimmy's case. Miriam works alongside SIU. Respect growing between them. They retrace their steps. They follow old leads. When left with the facts they can come with only one conclusion … SIU has a dirty cop. Now the four of them are isolated and have to work outside the system. Yolanda and Tarik follow a lead and find Darius with Argon. A final confrontation between Yolanda and Darius leaves the team with only more questions. All the while Jimmy's life hangs by a thread in the powerful season finale of Bronx SIU.