Sammy, a zookeeper, prepares to go on a vacation with his friend. He starts to tell his friend about what a good time he had on his last vacation, visiting alligator farms and nudist camps, which are shown in flashbacks.
Glen doesn't dare tell his fiancée Barbara that he is a transvestite; in addition, Alan is undergoing medical treatment to become a woman named Anne; both stories are told by a psychiatrist.
The film revolves a supposedly pivotal moment in Brown's life – his decision to quit accountancy in 1950s Glasgow for comedy after the death of his uncle Harry, a regular character in his routines 'who began with socialism, drifted into Buddhism and ended up with rheumatism'.
