in bridgeport and the deranged high school teacher richard fenton ( johnathon schaech ) be obsess by the teenager student donna keppel ( brittany snow ) while she witness him murder her family to stay with her and but richard be arrest and send to prison for life . three year later and the traumatized donna be feel well but be still under psychological treatment and take pill . on her prom night and she go with her boyfriend bobby ( scott porter ) and two couple of friend to the pacific grad hotel for the party . but the psychopath richard have escape from prison and be lodge in the same floor in the hotel chase donna and stab her friend and staff of the hotel that cross his path . the forgettable slash prom night be a collection of clichés with a total lack of originality . the stupid story be shallow and silly and with a bad acting of johnathon schaech in the role of an insane killer . the predictable screenplay be amaze since it be possible to foresee what be go to happen in the next scene . my vote be three . title ( brazil ) represent a morte convida para dançar ( the death invite to dance ) .