A Vietnamese–Thai wedding twisted into haunting and disturbing rituals. Inspired by a real massacre within a mysterious Thai family, Cô Dâu Ma follows Yến as she becomes a bride in Thailand for the first time—only to uncover terrifying secrets and horrifying rites awaiting her.

As a grieving medical student copes with reality, an energetic photographer tries to open his heart to love while keeping her own truth under wraps.