***Gothic horror at an Austrian castle*** Taking a break from his college studies, Peter Kleist (Antonio Cantafora) flies to Austria to get in touch with his heritage. He learns that his notorious ancestor was nicknamed "Baron Blood,” a sadist cursed by a witch he burned to death. After meeting Eva (Elke Sommer) they playfully read an incantation at his family’s castle and inadvertently bring the infamous Baron back to life, which is when people start dying. Joseph Cotton is on hand as a mysterious wheelchair-bound man who purchases the chateau at auction. The original Italian title of Mario…