In Las Vegas young Barty Nicholls inadvertently steals a fortune from the Mob and is slashed to death by a limping hood. Later his girlfriend Cass arrives in London with a stack of stolen credit cards looking for Ben Turtle, famed as a credit card king who she needs as a partner in her credit card swindles. Thrown out of a West End hotel for stealing cards, the pair are soon muscled back in by two heavy Minders to sexually perform at a Mob party in front of Mr. Big. Ben and Cass check out with suit cases of Mafia cash then the real funny money begins to flow and the chase is on.

Lord Wingate, aquitted after appearing in court for fraud, starts up a 'finishing school' to teach girls how to extract money from rich men, in return for a percentage of their gains. He enlists the help of the Duchess of Burwood as a teacher and Hector as fitness instructor. A probation officer friend supplies the first batch of pupils fresh from Holloway prison via a clapped out old mini bus. Suspicious neighbours and police together with newspaper reports naming the prison girls now hobnobbing in high society results in a raid and new court appearance for Lord Wingate. The Judge sentences him but plots to start up his own 'school for sex'.