A top-notch detective never stops until every single clue is uncovered.
Forever bungling private investigator Henry Brilliant (Chris Lemmon) has been hired by Maxine de la Hunt (Jean Simmons) to protect her step-daughter Marigold (Lea Thompson) during her trip to Denmark. A real caring parent should have hired an army of P.I.s to protect Marigold from Mr. Brilliant. His name, he's not.