Stanislas Oscar Seminario, aka SOS, is a young explorer, just back from Africa, visiting old friends: the Pescara's. But the father keeps receiving anonymous letters. And soon a mysterious murder is committed. SOS begins to investigate...
In 1825, Paul-Louis Courier, a Republican writer known for publishing pamphlets against the French monarchy, was killed in the farm where he had retired. Was it a political assassination or a vicious crime? Those who have known him loved him or hated him are interrogated by the police. Will the guilty person(s) be ferreted out?
