Halloween II (1981) picks up exactly where the functions of Halloween still left off. Michael (Dick Warlock) follows Laurie towards the regional healthcare facility, killing All people who arrives in between them. The story reveals that Laurie is definitely Michael's sister: she was given up for adoption being an toddler. https://youtube.com/shorts/XxJicTFshOk?si=MWe_21sO5t57InfB