Dick is a poor boy who comes to London thinking the streets are paved with gold. But he quickly has to face up to the harsh reality of getting a job. He falls in love with his boss's daughter... and that's just the start of a fantastic adventure. Will young Dick get the girl? Will he become Lord Mayor of London? Will he defeat the dastardly King Rat? By his side every step of the way is Tommy the Cat, a faithful, brave, four-legged friend who is just... purrfect!