S12, E5: The team are called in to investigate an armed raid on a suspected terrorist cell. Two terrorists have been killed, together with a police officer. But when Nikki's findings point to a bungled raid with innocent lives being lost, people start to pass the buck. Fighting against hostility and closed ranks Nikki beguiles her way into the police armed response unit uncovering a domestic dispute which could have lead to the police officer's death. Meanwhile, Harry is tasked to uncover the identity of a Jane Doe.