"I'm a private investigator, and if you think that's exciting you are well off."
Mike O'Kelly (Rod Cameron) is an American PI in London who gets caught up in a spy caper along with his assistant Jonesy (Marianne Stone) and Diane Boyd (Lois Maxwell), as the femme fatale.
A moderately thrilling drama, which over complicates things at times, in an attempt to stay one step ahead of the audience.