Marseilles 1561. A certain Nostradamus gives an opal to each of the three castaways whom he has collected and cured of the plague. Nearly 70 years later, in Bordeaux, the young and beautiful Walaya of the Martray promised her dying father to find the opal given him by a strange doctor and to honor the oath he had made to him ... Scenario: Corbeyran, Eric. Hamm, Nicolas. Drawing: Grun.