A woman plans to get rid of her writer husband by taking him to a house supposedly haunted by vampires and shocking his bad heart. She dresses as a vampire, but he recognizes her and thinks it is part of her attempt to add atmosphere for his horror writing, and he isn't scared. A real vampire bites him later in the evening, and when his wife tries again the following night, the man, now a vampire, bites her.; A boy finds a genie, but his wishes go wrong and he turns back time to before he found the genie.; An inventor who loves his wife asks an electronic brain which he devised two questions, 'When will my wife die?' and 'When will I die?' The brain answers 'Your wife will be murdered ten minutes from now.' He races to prevent her death but when he discovers her with another man he kills her and commits suicide (which, in the meantime, the electronic brain has also predicted).; A voodoo priest takes his revenge on a man who got him expulsed from his tribe by playing a practical joke.