Celyn David

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.

As the carnival turns into a death trap, the guests must survive challenges while carnival freaks hunt every single one of them.

Years after Kevin Cosme's death, his children strive to uphold the values he taught them. Tensions arise when Bing announces her plan to marry her mysterious long-time boyfriend, prompting her brothers Bill, Bob, Baldo, and Estong to attempt to stop the wedding. Meanwhile, Azon, Kevin's widow, becomes saddened by the children's growing disunity and apparent abandonment of the values they were raised with, while imagining visions of Kevin as if he were still alive.