A deranged scientist (Bela Lugosi) develops an aftershave lotion that incites his gigantic bats to kill! Director Jean Yarbrough (House of Horrors, She-Wolf of London) guided Lugosi to one of his most fiendish performances in a film that turned out to be a big hit for Producers Releasing Corporation (PRC). This movie may not stop you from shaving, but it will make you crave more horrors from Hollywood's Poverty Row!