The Slumber Party Massacre (1982)

Trish decided to throw a little get-together for her old high school basketball crew, promising a night full of fun and laughter. Little did they know that their reunion would take a dark turn when an uninvited and dangerous stranger showed up unannounced. With a portable power drill in hand, the escaped psychopath crashed the party, turning what was supposed to be a night of reminiscing into a fight for survival. The group must now band together to outwit and outlast their unexpected guest, ensuring that this reunion is one they will never forget.