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.

Alexis Walker lost her mother and brother in a home invasion. Now Alexis has become a vigilante and walks the streets in search of vengeance. All the while a serial killer known as The South Bay Slasher adds more victims to his list.

A group of friends get together for the annual Halloween party, but are interrupted by mysterious visitors.