Breaking up is hard to do. Sometimes is can be murder.
Dr Ian Bainbridge, a psychologist researching a book on men who can't recover from rejection, presides over their weekly meetings in the backroom of a New York restaurant - encouraging them to express their hurt, their anger, their rage.
But when a woman is slashed to death in her apartment after a particularly emotional meeting of the Broken Hearts Club, it seems as if therapy has got out of control. Soon the police are confronted by a series of frenzied killings with no obvious link - and one curious clue.
For detective Conrad Voort, the search for the killer will take him deep into the darkest, strangest reaches of the human psyche. And the horror he finds there may be enough to break his heart...
