The adventures of Joanna Beauchamp and her two adult daughters Freya and Ingrid -- both of whom unknowingly are their family's next generation of witches -- who lead seemingly quiet, uneventful modern day lives in Long Island's secluded seaside town of East Haven. When Freya becomes engaged to a young, wealthy newcomer, a series of events forces Joanna to admit to her daughters they are, in fact, powerful and immortal witches.

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.

When a struggling comedian shows one act of kindness to a vulnerable woman, it sparks a suffocating obsession which threatens to wreck both their lives.