Amateur detective/ Art collector Marco dies in a tragic accident and awakens in the past, transmigrated as the infamous serial killer known as "The Burton Strangler." Armed with his knowledge of the Strangler’s past, Marco resolves to break the cycle by refusing to claim any more victims. However, despite his efforts, the murders continue—committed by an unknown killer. As Marco tries to uncover who or what is behind the deaths, he faces a haunting question: Is the killer truly someone else, or is the darkness within him inevitable?