The story of 11 contestants who sign up for a scary reality show which forces them to confront the supernatural and their innermost fears. They're brought to an ancient war museum in Cambodia, which was used as a Khmer Rouge prison twenty years before. Thousands of innocent people were tortured and killed there during the Cambodian war in the 1970s.
After losing his job, his car and his money, Phuchit, races against time to complete 13 tasks ordered by an anonymous caller who promised 100 million Baht upon completion.