When a young woman dies a slow and painful death from an untreated infection, Cosgrove and Shaw suspect she was under the influence of a powerful cult. Price and Maroun put pressure on its members to find the cult's true mastermind.

When a respected businessman is found murdered, his surprising connection to Cosgrove's daughter helps the police make a break in the case. Price and Maroun disagree on how to proceed at trial when the defendant's age brings up legal precedent they must follow.