Sinopse
The police are baffled by a murder committed inside a locked vault with no apparent exit or weapon. The solution to the impossible crime rests on the discovery of a small, distinct pin, which unravels a mechanism of devilish ingenuity.
The police are baffled by a murder committed inside a locked vault with no apparent exit or weapon. The solution to the impossible crime rests on the discovery of a small, distinct pin, which unravels a mechanism of devilish ingenuity.
