Who's Harry Crumb?

The daughter of millionaire PJ Downing has been kidnapped. The “inconsolable” father turns to the Crumb and Crumb detective agency. The head of the detective bureau, Eliot Drazen, entrusts the investigation of this case to the good-natured and unlucky detective Harry Crumb. He is absolutely sure that Harry will fail this assignment, like everyone else. And this is exactly what is needed. But Harry, it seems, decides to prove that there are no rules without exceptions...