A hard-nosed Chicago cop is sent to London to bring back an American mobster being held for extradition. Brannigan in his Irish-American way brings American law to the people of Scotland Yard but has to contend with a stuffy old London first.
Simon Templar is on holiday in Naples when a small uproar on a lunch table draws his attention. An English tourist attempts to greet an Italian businessman as an old friend, but the Italian refuses to acknowledge the greeting and claims never to have met him.
Tina is horrified when she crashes her bicycle into a pond and is rescued from drowning and taken to a nudist camp by her rescuer to recover, but naturist bliss and true love await.
