The horror film Mosquito Man centers on Dr. Bowman, a research scientist who has been creating serums that will help stop some of the world's deadliest viruses. In order to do his work, he has at his disposal strains of numerous viruses. One day, criminals invade his lab and the doctor is accidentally injected with a formula he had not yet tested. As a result, he becomes a deranged half man/half mosquito who begins feeding on the blood of unsuspecting humans.