Based on

Movies like Holiday on the Buses (1973)

Due to a female passenger falling out of her top whilst running for the bus Stan is distracted and crashes the bus resulting in the depot managers car being written off. As a result Stan, Jack and Blakey are fired. Stan and Jack soon get new jobs as a bus crew at a Pontins holiday resort but discover that Blakey has also gotten a job there as the chief security guard.