In the quaint tourist town of Loon Lake, Mich., a killer is taking his vengeance. One by one, the bodies of cops are found, brutally executed, with mysteriously coded death cards placed with each corpse – the gruesome signature of a psychopath. And the only sound louder than doors being locked against evil is the sound of hearts beating in terrors. Louis Kincaid came north looking for refuge, a place to forget his past. But now he’s landed in the middle of an investigation that’s a terrifying journey through a town’s fiercely protected heart of darkness.