What begins as harmless sex games between a free-spirited artist (Caitlyn Folley) and her videographer boyfriend (Ian Duncan) turns much darker as the pair breaks into a boarded-up former hospital , looking for a space for a new gallery show. As they investigate the building’s ominous rooms and passageways, a seductive prank , meaning to arouse and terrify, goes terribly wrong – and what is discovered will destroy them both.