An anxious young woman is taken by her friends to a remote cabin in the woods to celebrate her bachelorette party. The fun and games are cut short when an uninvited guest begins killing off the wedding party, one by one.

Phoebe is an obsessed fitness nerd who gets her big break on a sleazy workout video. After being ridiculed by her co-stars, Phoebe befriends a mafia princess wild child, who teaches her how to murder her way to the top.