The broken hearts club - Ethan Black

When a psychiatrist brings together a group of men all suffering the traumatic effects of broken relationships, his intention is to study extreme male responses to rejection. But sometimes group therapy can have unexpected results, and before long a group of women have suffered brutal deaths, all linked by a bizarre calling card: The Broken Hearts Club. In the midst of his own painful break-up, Detective Conrad Voort finds himself on the trail of a serial killer, and soon he is embarked on a journey into the heart of a bizarre obsession.