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.

The Halloween ban is now lifted in Helen's Valley, and the sorority girls of Gamma Tau Psi place Michelle in charge of their annual haunted house. Unfortunately for Michelle some uninvited trick or treaters from her past come knocking.

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.

What started out as a relaxing summer day by the pool for a group of high maintenance young socialites quickly becomes a nightmare when an unknown killer begins stalking and murdering them one by one.