In 1997 Bangkok, Ib and Boum make a pact to end their lives together. However, when Boum hesitates and breaks their agreement, Ib's spirit seeks revenge. Two decades later, Boum's life is disrupted by the relentless haunt of Ib, who targets both her and Boum's teenage daughter, Bell. As the past resurfaces, the haunting forces the family to confront their shared history and the consequences of broken promises, blending elements of horror with deep emotional undertones.