 A scientist comes to believe that evil is a disease of the blood and that the flesh of a skeleton he has brought back from New Guinea contains it in a pure form. Convinced that his wife, a Folies Bergere dancer who went insane, manifested this evil he is terrified that it will be passed on to their daughter. He tries to use the skeleton s blood to immunise her against this eventuality, but his attempt has anything but the desired result.