An Eastern cult discovers that the sacrificial ring is missing. Ringo, drummer of The Beatles band has it; sent by the girl (who's to be sacrificed) as a gift. Clang, Ahme, Bhuta and several cult members leave for London to retrieve the ring. After several failed attempts to steal the ring, they confront him in an Indian restaurant. Ringo learns that if he does not return the ring soon, he will become the next sacrifice. Ringo then discovers that the ring is stuck on his finger. Its a race against time; John, Paul, and George try to protect their friend while they're all being chased not only by Clang and his minions, but also by two mad scientists and the chief inspector of Scotland yard. Will Ringo be saved, or will he be sacrificed?

During post-war England, a young petty crook, Jackie Knowles, is on probation for committing petty crimes. Jackie wants to marry his girlfriend Kitty but they don't have enough money to live on. Jackie foolishly accepts to be the getaway driver for a robbery job. The robbery goes wrong and Jackie is arrested. Because of his previous probation breach, the judge sentences him to three years in a Borstal institution. In the UK, the Borstal institutions are trying to rehabilitate rather than punish young offenders. Jackie Knowles arrives at a Borstal institution run by a sympathetic governor. Initially, Jackie intends to keep his nose clean, do his time and get out. Unfortunatelly, he falls in with a crowd planning to escape. The wrong crowd is run by scheming Welsh boy Alfie Rawlins who senses Jackie's naiveté and innocence. Alfie manipulates Jackie into wanting to join his group by playing on Jackie's anxiety about his girlfriend, Kitty. Alfie lies that Kitty already has forgotten about...

An unrepentant ladies' man gradually begins to understand the consequences of his lifestyle.