In Mexico, Paul vies with charmer and con man Ramon de Vega (Fernando Lamas) for the affections of the wealthy Jessica Braden (Tippi Hedren).

When Paul makes a satirical toast behind the Iron Curtain, racing-car driver Janos Takacs (Eric Braeden) courteously joins in and finds himself in prison. Paul tries to make up for his frivolous action by freeing him with the help of his sister Marika Takacs (Gia Scala) and former prisoner Istvan Zabor (Telly Savalas).

When he meets American agent Mike Allen (Macdonald Carey) in Spain, Paul is asked to help determine whether a girl he knew in Berlin, Erica Voss (Janine Gray), is an enemy agent. When their private plane crashes in the desert, the truth about her is revealed.

Paul successfully defends Louise Brode (Dana Wynter) on a charge of murdering her husband when her regular lawyer, Martin Shawe (Keith Andes), is injured, but Paul suspects Shawe's tactics, and feels compromised.

An old friend of Paul's is on the run, suspected of murdering his lover's husband, and Paul returns to his home town to investigate the case.

Paul's college friend Mark Shepard (Bobby Darin) gets him to help out in his tourist business on the Riviera, and they become involved with smugglers when they earn a sports car for assisting May Huston (Eve Arden) and her daughter Marcia (Davey Davison).