Oswald the Rabbit and his little brother catch the Slumberland Express and it carries the assorted animals to childhood's dream of paradise - an amusement park where all the games are free, and windows are provided just to be broken by an abundant supply of free rocks, and old men wear silk hats to provide targets for snowballs.
A retired Scotland Yard detective, Patrick Fitzpatrick (Tom Walls) comes back to take one final case, tracking down a missing vase which has been stolen by a gang of thieves specialising in taking art treasures.
In 1921, British Lord Athleigh arrives in Dublin with his daughter, Helen, to engage in peace talks. As wanted Irish rebel leader Dennis Riordan is not recognized in public, he is able to move about freely and saves the Athleighs from an assassination attempt by a radical faction.
Little Elmer Elephant has a crush on Tillie Tiger and his affection is reciprocated. Trouble is, the pint-sized pachyderm is beset by bullies who ridicule his trunk and make his life miserable.