Laura, 25, is an actress in a L.A.R.P. (Stay Motion Position Taking part in) Recreation “The Bunker Game”, the place the individuals play the survivors of an atomic struggle who dwell underground in a sealed bunker. After a number of mysterious accidents, the sport is interrupted and the gamers depart the bunker whereas the employees stay behind to analyze the disappearance of Greg, the mastermind of the sport. They quickly discover themselves trapped inside and in peril as they start to die in mysterious methods and the group realizes that somebody or one thing paranormal is taking part in a twisted sport with them which shortly plunges right into a terrifying battle for survival.