After surviving Art the Clown's Halloween massacre, Sienna and her brother are struggling to rebuild their shattered lives. As the holiday season approaches, they try to embrace the Christmas spirit and leave the horrors of the past behind. But just when they think they're safe, Art the Clown returns, determined to turn their holiday cheer into a new nightmare. The festive season quickly unravels as Art unleashes his twisted brand of terror, proving that no holiday is safe.