Determined to change his life, the Count of Servadac donated his castle and each of the bodies of the family members to the avant-garde medicine of William Stein (great-grandson of Victor Frankenstein), duly poisoned for this purpose. . Opportunity for Stein to carry out the first transplant of memory neurons on human corpses.

Théophile spends his holidays in Italy, in the Marche hills, and enjoys the freedom he finds at his grandfather’s. The latter, who lives a reclusive life, becomes seriously ill and the child calls for a doctor, William Stein, who had saved the old man’s life seven years ago. Stein sends his best nurse along… who is absolutely free to do as she pleases.