The Dan Mask

In an African country unsettled by a coup d’etat, a bank manager, collector of African art, investigates with a group of friends to find the murderer of a diamond dealer who was found in a room which was hermetically closed from the interior. Who stole the diamonds which had just been purchased by the victim? In a whirlwind of precious stones and artistic wooden sculptures, the banker finds the way to solve the enigma and to find the culprit.