In the opening episode, we are thrown head first into the world of SIU. Jimmy Blue, lead detective, Yolanda Rodriguez and the team's computer specialist, Tessa is brought in to solve a gruesome case of decapitation. With no time to waist and the body count rising, they dive into the clues in a desperate search for the killer. If this were not enough, Internal Affairs is circling around Jimmy and his former partner Darius, accusing them of being dirty cops, asking questions about a dead cop and a missing bag of Albanian mob money. As the personal lives of the team slowly come apart the Detectives have to overcome multiple obstacles to solve the case before the killer can claim another victim.