William Marshall stars as Prince Mamuwalde, a member of African royalty from the 1800s. He contacts the powerful Count Dracula for help in stopping the slave trade, but Dracula refuses to help and attacks Mamuwalde, turning him into the vampire Blacula. He is encased in a coffin and is not released until present day when the coffin is purchased as art and sent to Los Angeles. In 1972, two gay interior decorators, Bobby McCoy and Billy Schaffer, purchase the coffin and ship it to Los Angeles. Bobby and Billy open the coffin, only to become Blacula’s first victims.