Prom Night (1980 film)

Prom Night is a 1980 Canadian slasher horror film directed by Paul Lynch, based on a story by Robert Guza, Jr., and starring Leslie Nielsen and Jamie Lee Curtis. The story concerns a group of high school seniors who are targeted by a mysterious masked killer in revenge for their culpability in the accidental death of a young girl six years earlier. The anniversary of the incident falls on their high schools prom night, when the older sister of the dead girl is being crowned Prom Queen.

In 1974, 11yearolds Wendy Richards, Jude Cunningham, Kelly Lynch, and Nick McBride play hide and seek in an abandoned convent. 10yearold Robin Hammond tries to join them, but they start teasing her by repeating Kill Kill Kill. Robin is then backed up towards a window from which she falls to her death. Instead of reporting the incident to the police, the children make a pact not to tell anyone what happened and keep the incident a secret, but after they leave, a shadow falls across Robins body. Later a known rapist is mistakenly blamed for Robins death and is arrested.6 years later in 1980, Robins family attend her memorial on the anniversary of her death. Robins teenage sister and brother, Kim and Alex, are also preparing for the school prom to be held that evening. Their parents will also attend, as their father is the school principal. Kelly, Jude and Wendy begin receiving obscene phone calls from an unknown figure, while Nick ignores his ringing phone. Kim and Nick, whom she is dating, are attending prom together Jude is asked by goofy jokester Seymour Slick Crane whom she meets by chance that morning Kelly is going with her boyfriend Drew Shinnick who is preoccupied with having sex with her despite objections, while Wendy, previously Nicks girlfriend, asks the school rebel, Lou Farmer with plans to embarrass Nick and Kim at prom. ........

Source: Wikipedia