A serial killer is covering their tracks by framing innocent people. Can DI Munro guess the motive and save the investigation? When a young woman is found murdered in her flat, CCTV quickly points to a suspect. But when Andrew Stewart is brought in for questioning, his willingness to cooperate with Munro and West raises doubts about his guilt. When another body turns up, book-lover Andrew falls under suspicion once more. It will take the sharp wits...