Hrundi V. Bakshi, an accident-prone actor from India, is accidentally put on the guest list for an upcoming party at the home of a Hollywood film producer. Unfortunately, from the moment he arrives, one thing after another goes wrong with compounding effect.

Detective Inspector Jacques Clouseau is borrowed from the Surete on special assignment for Scotland Yard in hopes that a fresh outlook will help the government recover the loot from the Great Train Robbery, which is being used to underwrite a new crime wave. What they don't count on, however, is having more than one Clouseau on the job.

Ass-breaker Dingus Magee is looking for a gold train when he comes upon old acquaintance Hoke Birdsill on stage to San Francisco, and robs him of his money. Hoke goes to the nearby town of Yerkey's Hole, where Belle Knops is both mayor and bordello-mistress. She appoints Hoke Town Sheriff and tries to get him to stir up the Indians so the soldiers at the nearby fort (the main customers) won't go to Little Big Horn. Dingus tries to stir up more trouble and get involved with the pale, baby-talking Indian, Anna. The film is a send-up of the oft-repeated phrase "the Code of the West" and exaggerates it and what it stands for into the ridiculousness that it is.

Despite the dissapproval of his grown son and daughter, 51 year old widdower and wealthy restauranteur Harvey Howard (Bing Crosby) decides it's 'high time' to he gets his college degree. And he's in for the full ride: living in the dorms, joing a fraternity, falling in love, and even getting some studying in.

The Pink Panther diamond is stolen once again from Lugash and the authorities call in Chief Inspector Clouseau from France. His plane disappears en-route. This time, famous French TV reporter Marie Jouvet sets out to solve the mystery and starts to interview everybody connected to Clouseau.

Etienne makes a good living out of marrying off poor but titled young men to rich but untitled young ladies. Millicent is now in his sights on the Riviera, and Grand Duke Gaspar is the bait. But what if Millicent starts to fancy planted chauffeur John instead, and Gaspar takes a shine to Etienne's secretary Janine?