The misadventures of two terrible old people who enjoy playing nasty tricks and are finally outwitted by a family of monkeys.

The enormous crocodile devises secret plans and a few clever tricks to secure his lunch only to have them foiled by his neighbors.

While Billy and the Ladderless Window-Cleaning Company are cleaning the windows of the Duke of Hampshire's estate, they spot the Cobra, the most dangerous cat-burglar in the world, stealing the Duchess's diamonds.