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...
Stanilas Octave Seminario SOS, détective
Muriel Pescara, la fille
Charles Pescara, le fils
Gérard Pescara, le père
Guillaume
Paul Wantz
Hélène Tassin
le docteur Vermeulen
le juge d'instruction
le portier
Director
Screenplay
Cinematography
Music
