Sumala, a name that is feared by people in a village in Semarang Regency from the past until now. No one dares to go out when night falls because Sumala will come to kill.
A small-time wrestling company accepts a well-paying gig in a backwoods town only to learn, too late, that the community is run by a mysterious cult leader with devious plans for their match.
On Kate's 21st birthday camping trip, her friends encounter Piglet, a monstrous human-pig hybrid who brutally murders one of them. They uncover Piglet's origins and Kate must confront her past to survive the relentless killer.