Professor Artus, a scientist specializing in artificial life, wants to try an experiment on an automaton; he is entrusted with a death row inmate. The professor is soon found murdered. It is Inspector Wens, helped by a journalist, who must solve the case. Franck Villard in the role of Wens succeeds Fresnay.
| Directing | Robert-Paul Dagan | Director |
| Directing | Maurice Cammage | Director |
| Writing | Stanislas-André Steeman | Novel |
| Writing | René Wheeler | Screenplay |