When a torched body is found in a country lane, DI Bliss and Chandler are called in to investigate. The detectives are drawn towards recent missing person reports and believe their victim will prove to be one of them. Bliss thinks he knows which, and fears the outcome if he is proven right.Soon the body is identified, and Bliss and Chandler discover evidence suggesting this murder might be a terrorist attack.Meanwhile, someone from Bliss's past needs his help, and soon he is juggling his personal life with the demanding case. To make matters more complicated, MI5 and the Counter-Terrorist Unit are called in to help solve the case. But are they on the right track?Bliss and Chandler soon find themselves in a race against time, and this might just be their most challenging case yet…