Invited to participate in an escape room challenge as a team-building exercise, 4 ferociously competitive co-workers crowd into the elevator of a high-rise building, eager to prove themselves. But when the lights go off and the doors stay shut, it quickly becomes clear that this is no ordinary competition: they’re caught in a dangerous game of survival. As tempers fray, and clues turn deadly, they must solve one final chilling puzzle: which one of them will kill in order to survive?