 6 year old Michael Myers comes home from trick-or-treating one night, and stabs his sister to death... 15 years later, he escapes from the mental hospital, and sees a bookworm teenager, Laurie Strode. She and her friends, Lynda and Annie are making Halloween plans. Laurie is babysitting, while Annie and Lynda are fooling around in the house across the street. But the lights aren t on in the house, and Annie and Lynda aren t answering the phone. In curiosity, Laurie goes to the house to see what s going on...