According to legend, when Pandora's box was opened all sorts of pleasures and evils escaped. Just what sort of package has Marvin Hanover opened, he wonders, when he tries to sell insurance to Mrs. Thorndyke. Especially since she really isn't Mrs. Thorndyke and she doesn't live at the address given him. Panicked by the evening news, this senior citizen puts Marvin on the witness stand regarding a hit and run accident the night before. In this game of cat and mouse, who is the cat? And who is the mouse?