Sumpah Darah

Mara, a karaoke hostess, receives a proposal of marriage and a better life from Thomas, a mysterious man she has just met. At first she refuses, but then she accidentally kills a client while saving her best friend, Dini, from an attempted rape. Mara accepts the offer and leaves town with him. At the secluded villa where Thomas lives with his mother, Mara hopes to start a new life. However, various oddities slowly reveal a terrifying secret that makes her realize her escape actually poses a threat to her life and her very humanity.