If you’re in the mood for something unusual—a kind of wacky playfulness combining elements of Laurel and Hardy with Ingmar Bergman, mixed with a touch of “Mary Poppins”—then this might be worth your time. The story unfolds on the coast of La Manche, where people are starting to vanish without explanation. "Insp. Machin" (Didier Després) and his partner "Malfoy" (Cyril Rigaux) are brought in to look into it. Their foc…