Your blond colleague is quite annoying, but I like him; he's also very generous. He often thinks deeply about things, which makes him worry, and it sounds like the sound of waves. You, on the other hand, sound like the wind. Your gait betrays that you're following your breath. Your blond friend sees a puddle on the ground. He stops, looks at it intently, and walks neatly around it. He plans everything carefully. You, on the other hand, don't even see the puddle. You walk past it without realizing it, purely on intuition. Do you understand? You're like a magician..." That vagabond is right; Commissioner Adamsberg is a true magician. Three new proofs of that, three investigations by the commissioner, in Paris, where the Seine flows.