A young medical team is sent to Marunda Island to investigate a mysterious skin disease that has terrified the locals. However, the deeper they delve, the more they realize the outbreak is merely a symptom of an ancient curse linked to the Forbidden Lake and a terrifying entity known as Oreng Pote. As human transgressions reawaken a long-dormant terror, the team must choose between logic, guilt, and the supernatural forces that target anyone who witnesses death.