This film is a caper story of greyhound racing and the efforts of a crooked dog owner to stop a rival's dog, Wild Boy, from running in the Greyhound Derby.
In the Dutch Republic in 1672, a wealthy man named Cornelius Van Baerle devotes his life to growing tulips, unaware of his family's close involvement with political intrigue.
A con man hides out in a boys' school, posing as a professor. When the undisciplined and lazy boys have to pass a few tests, cheating becomes the only option.
Squibs, a cockney flowerseller with a father overwhelmed by gambling debts wins through with the help of assorted friends and a romantically inclined policeman.