The Stonemasons, a beat group in which Ricky Balfour plays bass guitar, has just returned from a tour in the USA. He is the oldest member of the band and is tired of what he considers to be their juvenile sense of humour. When they are eating together in a posh restaurant they start winding him up by insulting his wife and daughter, he snaps and upturns his soup bowl over their manager's head.
Soon after that, things start to happen...
"What follows is a mystery, involving plenty of drama, with some heartache but also some laughter...