Cat breaks in to the top floor of a large building. It is a museum-- a dungeon of sorts, with wax figures, suits of armor, medieval weapons and torture devices. Cat unties an elderly gentleman with a German accent, who asks, ""Lisa-- she sent you to find me?"" Cat picks up a medieval ball-and-chain battle mace and clobbers a crook. (ugh!) The elderly gentleman is impressed, and says, ""With you to help, I might still have a chance. But who are you?"" The man in black answers, ""Cat--T. Hewitt Edward Cat."" (intro music)

In one of the upstairs rooms at the Casa del Gato, where Pepe is forever offering a safe haven to people in need, Pepe is playing chess with the man Cat rescued: Max Heller, who is a scientist and a mathematical genius. Cat brings in Max's young daughter Lisa, and there is a heartwarming reunion. Later, in the downstairs cafe, Cat and Lisa enjoy some of Pepe's fine brandy. Lisa talks of growing up in the desolation and destruction after the War; then she and her fath