Five years after surviving Art the Clown's Halloween massacre, Sienna and Jonathan are still 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 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.

A year after the Miles County massacre, Art the Clown is resurrected by a sinister entity. Art returns home, where he must hunt down and destroy teenage Sienna and her younger brother Jonathan on Halloween. As the body count rises, the siblings fight to stay alive while uncovering the true nature of Art's evil intent.