New adventures of the brave ninja cat named Toto! The royal diamonds of the animal world are kept under reliable protection in the Tower treasury. But when Toto finally gets the chance to visit the Tower to admire them, an unknown thief steals the diamonds right from under her nose! Even worse: Larry the cat, her boss, is suspected of the theft! Will Toto be able to solve this mystery and track down the real kidnapper? After all, the little ninja is forced to go on the run!