It is 4 years later, and a brand new group of scholars has been positioned in Saturday detention on the notorious and prestigious Crestview Academy. When Siouxsie, sophomore 'undercrust,' crashes the get together to avenge her sister's dying, a Saturday detention reserved for the privileged seniors of Crestview Academy turns right into a date in hell. It is not lengthy earlier than a naïve pussycat lover, homosexual drug supplier, smokin' sizzling preacher's daughter, squeaky-clean senator's son, and the uninvited youthful outsider discover themselves locked-up at school with no manner out, questioning who (or what) has set them up. Hilarity and suspense ensue whereas every 'dangerous child' pits one in opposition to the opposite, and one after the other every falls sufferer to absurdly ugly 'accidents' whereas attempting to flee.