Halloween (1978)

On Halloween night in 1963, six-year-old Michael Myers stabs his teenage sister, Judith, to death in their suburban home in Haddonfield, Illinois, and is sent to Smith's Grove Sanitarium. Fifteen years later, on October 30, Michael escapes during a transfer, stealing a car and heading back to Haddonfield. He begins stalking high school student Laurie Strode and her friends, leading to a terrifying Halloween night as Michael goes on a killing spree.