Watch Helloween (2025) Official Trailer

During the sinister killer clown craze of 2016, Dr. Ellen Marks, aided by investigative journalist John Parker, trace the source of the phenomena to one of her patients - incarcerated, charismatic serial killer Carl Cane, who is using his insidious clown symbolism to recruit an army of the disenfranchised and launch a murderous anarchist movement from London across the globe. With Cane escaped and on the run on October 31st can they stop him before he unleashes hell on earth on Halloween?