"Monster Killers" 2020 is a horror anthology film, which means it doesn't have a single overarching plot but rather comprises several independent short films with a common monster theme. The shorts explore various types of monsters and horrific situations, often featuring psychological dread, body horror, and unsettling creatures. Some segments include a man dealing with a monstrous transformation ("Familiar"), a serial killer targeting the vulnerable ("The Flea"), mysterious entities drawn by incantations ("Good Evening"), a woman facing an infestation ("The Dweller"), and a comedic take on monster movie viewings ("Howl of a Good Time").