Frankie Four Fingers was supposed to smuggle a stolen diamond from England to the USA for his boss, Evie, but after placing a bet on an underground boxing match, he found himself caught up in a whirlwind of highly undesirable events. A complex intrigue unfolds around him and his cargo, involving a host of colourful characters from London’s underworld — a Russian gangster, three hapless robbers, a cunning boxer, and a surly thug working for a fearsome mafioso. Everyone is trying to strike it big on their own.