Introvert Anthony attends his best friend's housewarming party, which goes fine until brash, loud-mouthed Steve arrives. Things go from bad to worse as Anthony struggles to control the troublesome, alcohol-fuelled Steve.

Introvert Anthony attends his best friend Nick's housewarming party and things seem to be going fine until brash, loud-mouthed Steve arrives. Things go from bad to worse as Anthony struggles to control the troublesome and increasingly alcohol-fueled Steve, who has no remorse for his actions, and will do anything to get what he wants - even if it means bringing everyone down in the process.