In this deliberately campy, slightly slapstick European parody of Alfred Hitchcock films from the 1950s, a newlywed couple returns from their honeymoon to discover that they have accidentally switched suitcases at the airport. They know the bag they have isn't theirs because it is stuffed with 500 million lire. At first they put out an ad for the owner; then they decide to keep it for themselves. Mayhem ensues when the bag's thuggish owners suddenly show up at the couple's housewarming party and...