In a quiet town in France, the bumbling policeman Jacques Gambrelli discovers that he is the illegitimate son of the famous Inspector Clouseau. Simultaneously, the kingdom of Lugash is in turmoil as its Princess Yasmin is kidnapped by international terrorists demanding a hefty ransom. Commissioner Dreyfus, still plagued by memories of Clouseau's chaotic methods, initially dismisses Jacques' potential, but with few options, he's reluctantly brought into the case. As Jacques clumsily navigates his newfound legacy, he stumbles upon a series of clues that hint at the Princess’s whereabouts. His earnest yet clumsy attempts escalate tensions but inadvertently push the investigation forward.

As the search intensifies, Jacques teams up with his mother, Maria Gambrelli, who reveals more about his father's identity and legacy. Facing a web of intrigue, political machinations, and romantic entanglements, Jacques must prove his worth and rescue the princess. Along the way, his unconventional approach creates moments of hilarity and chaos, challenging Commissioner Dreyfus’s patience. Despite numerous blunders and misunderstandings, Jacques's persistence begins to yield results. His quirky yet effective methods highlight his latent investigative skills even as they confound his enemies and allies alike.