A man's son is kidnapped after his wife's murder. A year later, he receives a call - his son lives if he replicates old, unsolved serial killer crimes.

Someone murdered Thomas's wife and kidnapped his son. A year later, still without any clues, Thomas is on the verge of collapse. But then he receives a mysterious call: his son is alive, but if he wants to save him he will have to do something atrocious, something that seems to copy step by step the crimes of a serial killer and rapist decades ago - and was never caught.