Village of Artigat, southern France, summer 1542, during the reign of Francis I. Martin Guerre and Bertrande de Rols marry. A few years later, accused of having committed a robbery, Martin suddenly disappears. When, almost a decade later, a man arrives in Artigat claiming to be Martin, the Guerre family recognizes him as such; but doubts soon arise about his true identity.
Ariel, a young French Jew, decides to leave his family to go to Israel and secretly become an agent of Mossad, the Israeli secret service. After years of training, his first mission is in Paris to steal secrets from Remy Prieur, a French atomic scientist.
Five highly-trained KGB agents are sent to the west to assassinate several Soviet dissidents. In order to stop the diabolical plot, an American agent must infiltrate Soviet intelligence and obtain information from a Russian computer.
