Eddy persuades his three pals to pool money for a vital poker game against a powerful local mobster, Hatchet Harry. Eddy loses, after which Harry gives him a week to pay back 500,000 pounds.

Unscrupulous boxing promoters, violent bookmakers, a Russian gangster, incompetent amateur robbers and supposedly Jewish jewelers fight to track down a priceless stolen diamond.

A snooty socialite is stranded on a Mediterranean island with a communist sailor.