Etienne Alexis, a candidate for president of the new Europe, is a scientist promoting artificial insemination for social betterment and therapy to eliminate passion. To celebrate his engagement to a…

To try solving the strange disappearances of 11 young Parisian women, the police obtain the services of Adrienne Charpentier, friend of the latest missing person.

A young couple, Renée and Pierre, take a room at the Hôtel du Nord, in Paris, near the canal Saint-Martin. They want to die together, but after shooting Renée, Pierre…