Vault of Horror #17

Jim Ryan is driving his car through dense fog and seeks refuge in an estate he spots. The owner, Andrew Clymore, lives alone with his servant, Evers, and agrees to give him a room for the night. Evers later tells Ryan that Clymore is dead and sought to be cremated on a funeral pyre, but he was now too old to build it....so Ryan agrees to do it. Sounds in a barred room lead Evers to tell Ryan that Clymore's beast child resides within. It breaks out, consuming his father's flesh, and dies in a fire.