Detective Franklin Reynard awakes one morning to find his partner missing and a murderer is on the loose. The suspect is an escaped mental patient with a violent history, who has vanished, taking a young boy with her as a hostage. As the mystery deepens, Reynard is drawn into a terrifying labyrinth of darkness beneath the local asylum. Something tells him the answer he seeks lies beneath the infamous 150-year-old mental hospital, but he'll need help to uncover the answers...