When the infamous "Sweet Sixteen Killer" returns 35 years after his first murder spree to claim another victim, 17-year-old Jamie accidentally travels back in time to 1987, determined to stop the killer before he can start.

Avery, a teenager with a tendency towards perfectionism, enlists her friend Larson to help her prepare for her first time with her long-distance boyfriend.

Recruited by a secret society of babysitters, a high schooler battles the Boogeyman and his monsters when they nab the boy she's watching on Halloween.