The last thing psychotherapist Harry Hope expects on his walk home one evening is to be knifed. At first, he thinks it's a random event. But as the police investigate further, seemingly unrelated attacks, Harry is shocked to discover that every victim is linked to him. And that his name is on a death list. Why? Teaming up with his old friends DI Theo McCannon and DS Libby Harding, Harry is forced to delve into the dark and twisted world of a cold and calculating killer. And as Harry fights his way closer to the truth, he realises time isn't just running out for him, but for everyone around him.