When Zac McGee's country weekend with his mates goes horribly wrong, he is forced to call on his unwilling sister, Denny, for help. Denny would rather be partying with her friends the Bimbettes. Stranded with only each other to rely on, Zac and Denny are stalked relentlessly by the vengeful Singlets - and also forced to confront things about themselves that they'd rather ignore.