Halloween II (1981) picks up in which the events of Halloween left off. Michael (Dick Warlock) follows Laurie into the regional healthcare facility, killing All people who will come in between them. The story reveals that Laurie is actually Michael's sister: she was supplied up for adoption as an toddler. https://youtube.com/shorts/XxJicTFshOk?si=MWe_21sO5t57InfB