Natalie tells James that she has just seen her supposedly dead brother Oliver, who went on the run after borrowing from drug dealers in Budapest. Determined to uncover the truth, James heads to Budapest, but he is not alone.

Everything James thought he knew has been turned upside down. He returns to London to pursue the killer, but he has been fired from his job and no-one believes his stories of what happened in Budapest. James still refuses to drop the case, but can he prove who the real killer is? And what is it going to cost him?