As his wedding day approaches, a nervous groom reluctantly joins his childhood friends at a wild bachelor party organized by his overbearing best friend. However, the festivities turn into a night of terror when a psychotic killer starts hunting them down, forcing the group to confront their deepest fears and fight for their lives in a desperate struggle for survival.

A lonely photographer escapes into a drug-induced dreamworld that grants his deepest desires, until his fantasy begins to consume him.