A loose remake of the 1940 horror movie "The Devil Bat" and its 1946 sequel "Devil Bat's Daughter".
Dr. Paul Carruthers, a respected physician, secretly battles profound insecurity and schizophrenia. His life takes a dark turn when he stumbles upon a ritual that transforms individuals into vampiric thralls under his command. Consumed by paranoia after his daughter Nina was left hospitalized in an accident, Carruthers begins a crazed rampage against those he believes to have been plotting against him.