When a supposedly tame black leopard escapes from a New Mexico nightclub, young girls start to die – horribly. While the police desperately search for the beast, nightclub singer Kiki Walker (Jean Brooks) and her manager Jerry Manning (Dennis O’Keefe) start to suspect that someone – or something – far worse is responsible for the killings. Something is stalking the small town, something with an overwhelming compulsion to kill and kill again…