Billy Bunter's stockbroker father, knowing it's a half-holiday at Greyfriars, sends his secretary to the school to take Bunter and the Famous 5 on a countryside drive. The secretary never arrives and Mr Bunter's car is discovered abandoned. He's taken 5000 pounds from the safe! As the money belonged to a client, Mr Bunter will have to make the loss good and economize. Billy will have to swot for a scholarship in order to stay at Greyfriars.