In 1775 during the Spanish colonial period in the Philippines, nuns attempts to survive the night after an unknown evil was set free in their cloister. Meanwhile in 2025, a group of friends attend a Halloween masquerade ball which was attacked by a serial killer. Fast forward to the future in 2050, a post-apocalytic Philippines is ruled by the aswang.

Ten years later, former lovers Ellie and Eric meet again to trace the memories of a love and sorrow that never went away.

A young man from the U.S. returns to the Philippines to search for his long-lost father, only to uncover a past filled with secrets, identity struggles, and danger—leading to a heartbreaking reunion in the midst of violence.