Sir Guy Grand (Peter Sellers), the richest man in the world, adopts a homeless boy, Youngman (Sir Ringo Starr). Together, they set out to prove that anyone, and anything, can be bought with money.

When Miss Jane Marple joins a theatrical company after a blackmailer is murdered, several members of the troupe are also dispatched by this mysterious killer.

In Istanbul, the lawyer of Simpson & Simpson Linda Westinghouse has erotic dreams with a strange woman every night and her analyst Dr. Alwin Seward suggests her to find another lover. Linda is assigned to resolve an inheritance issue with the Hungarian Countess Nadine Oskudar that has inherited a real estate from Count Dracula. Linda leaves her boyfriend Omar in the Istanbul Hilton and travels to the Kadidados Island. While waiting for transportation in the continent, Linda is advised by a local that the island would be a place of death and insanity and she should not travel to there. However, she does not pay attention to the man and meets Countess Oskudar that is a lesbian vampire fascinated by Linda. The Countess drinks the blood of Linda and she has amnesia and is sent to a mental institution where Dr, Steiner, who is also a vampire expert, treats her and puts an advertisement in the newspapers. Omar finds Linda and Dr. Steiner teaches her how to kill a vampire. Linda has to be ...