In a rundown bar nestled in the heart of the city, a seemingly peaceful Sunday morning takes a dark turn as it becomes the stage for an apocalyptic showdown. A tainted batch of alcohol, laced with a mutated worm, infiltrates the bar’s liquor supply, transforming unsuspecting patrons into hosts for brain-devouring parasites. Fortunately, a courageous band of misfits and outcasts rises to the occasion, determined to thwart the impending disaster.