On Halloween night, two friends, Tara and Dawn, encounter a menacing clown named Art while walking in a desolate area. As they stop for a late-night snack at a nearby pizzeria, Art the Clown unnerves them with his bizarre and unsettling demeanor. Tensions rise when they realize their car is disabled, forcing Tara to seek refuge in a nearby decrepit building. Unbeknownst to them, Art follows them inside, turning a tense situation into a terrifying nightmare. Tara soon finds herself isolated within the dark, labyrinthine corridors, evading the increasingly violent pursuits of the sadistic clown.

As the night unfolds, the horror intensifies with each gruesome encounter. Tara’s sister Vicky, concerned by her sister's absence, arrives at the location only to enter Art’s deadly game. The building becomes a maze of fear where escape seems impossible. As Art's body count rises, desperation turns into a battle for survival. Events grow more frantic and chaotic, ratcheting up the terror as both Tara and Vicky face the full scope of Art’s madness. Each room holds potential doom as Art relentlessly toys with his prey, showcasing his grotesque sense of humor. With time running out and odds stacked against them, the sisters must summon incredible courage to endure this brutal ordeal as they come face-to-face with true evil.