DCI Gabriel Markham and his team are working to find a serial killer when a break in the case leads them to a potential culprit. Gabriel is torn between his conviction that they already know who the k…

Gabriel comes face to face with the prime suspect in the serial murders, but his deep personal connection to the case could risk jeopardising his career. As a dangerous game of cat and mouse ramps up …

Gabriel and the team are dealing with the fact that another body has been discovered, seemingly the work of the serial killer. Questions are raised about Gabriel’s suitability to be leading this case,…

An unexpected tip off convinces Gabriel and his team to launch a risky mission designed to catch the killer in the act. Meanwhile, Elaine confronts the demons of her past. Gabriel is forced to face u…

The story of the acid murderer's first victim is revealed, as another suspect enters the frame. Gabriel receives some help in his investigation from an unexpected source - but is the situation more co…

Following Gabriel's discovery of a crucial piece of evidence, the hunt is on to track down the killer. With the net tightening, a thrilling chase of twists and turns ensues, and as Gabriel begins to p…