horror with a heartbeat....... the Boy's dog gets loose and runs into a haunted house. The boy chases the dog into the house. The boy must use his cell phone light to find his way through the pitch black enviornment, all the while he recives text hints from a mystyerious source. His heartbeat helps him detect the monsters that live in the house. As his pulse quickens he has to move away from the creatures before they hear his rapid heartbeat.