Plot
A chemist is working in utmost secrecy to develop formulas for the Ministry of War. However, he falls victim to skilled thieves. Detective Préval is certain they are associates of the scientist. Who will empty the poisoned cup of black coffee?
Trailer
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Cast
René Alexandre
Préval
Harry Arbell
o.A.
Maxime Desjardins
o.A.
Gaston Dupray
o.A.
Alice Field
o.A.
Maurice Varny
o.A.
Danielle Darrieux
Henriette Stenay
