Sparks begin to fly between Liz and Danny, and the possibility of their reignited romance lead them to a night time romp in PRESTON CASTLE, an abandoned boys correctional institute with a gruesome past. As they probe the decaying depths and dark shadows of PRESTON CASTLE, they find themselves in deeper trouble than they would ever have imagined. Trapped inside, they're caught in a horrifying life and death struggle with unstoppable evil spirits.