After a botched kindergarten robbery, Joke (Sura Theerakon) and his gang take shopkeeper Toh (Khet Tantap) hostage, fleeing onto a luxury cruise train. Eager to rob the wealthy passengers, they are shocked to find everyone has mysteriously vanished. Blaming Toh for the failed scheme, the gang hunts him down, but he is rescued by Ratree (Savika Chaiyadej), a model on board. Together, they become prey in a deadly game of cat and mouse as the journey descends into a terrifying nightmare filled with unforeseen horrors.