Paris, France. Commissaire Wens follows the lead of a ruthless murderer to an unexpected place.
A struggling artist buys a talisman that gives him love, fame and wealth. The talisman is a severed left hand, and it works perfectly, in fact, magically. But of course there is nothing free in this world, and after one year the devil comes and asks for his due.
Two dubious characters disguise themselves as Holmes and Watson to gain attention and end up chasing counterfeiters and stolen stamps.
