Clouseau does not deal with armed robberies and murders. However, this does not mean that his work is boring. Even without guns and knives, there are moments when the professional detective is taken aback. And this is exactly what happens in the mysterious case assigned to him by Marie, Olga's niece. How is it possible that the speedometer of a parked truck reads exactly 72 kilometers every night? Who takes it and where does it go? Can a detective find the solution to a tangled story with only a scent as a clue? And is it possible to solve a case in his sleep?