This slasher picture follows a relentless killer who's out to avenge the death of a girl that died after getting teased and humiliated by a few of her classmates. Students, the kiddies have kept their participation a mystery, however once they start being killed, one at a time, it's apparent that the reality is known by someone. Also working with the last are members of this dead girl's family, most especially her prom-queen sister, Kim Hammond (Jamie Lee Curtis).