5. Survivor

Complete story — includes the ending

Prisoner officer Charlie Tyner is found shot dead on a council estate in Hackey, suspicion falls on Ellis Bevan (Ceyln Jones), who was hounded by Tyner in prison for being a child molester. However, it is not long before Brooks & Devlin discover that Tyner was corrupt, and not only was he dealing heroin to the prisoners in his care, he was taking advantage of their situation and raping them as well. Suspicion falls on prisoner Tamika Vincent ( Wunmi Mosaku ), who became pregnant at the hands of Tyner during one of his sordid sexual adventures. They soon discover that Tyner's drug dealer was Jackson Marshall (Robbie Gee), a career criminal who has evaded the justice system for too long, and that Marshall also has a connection with Tamika – she is serving a sentence for being a mule for Marshall and smuggling drugs into the country for him. With two motives to kill – the fact that Tyner owed him money, and that he raped his mule Tamika – James and Alesha find themselves at odds with George, who is keen to bring justice to the murder of a prison officer. When it is discovered that Tamika ordered Marshall to kill Tyner after her months of abuse, the crown prosecution service believe they finally have the opportunity to bring Marshall to justice.