Count Olgierd Łabiński lives with his beloved wife in Paris in a beautiful palace. The Countess recalls her stay in Florence and her insistent admirer Octavius ​​de Saville. Soon, Octavius, arrives in Paris and calls for the famous Dr. Cherbonneau, suspected of being a charlatan. Citing the teachings of the East, Cherbonneau offers the patient an "avatar", a reincarnation of the soul, which takes a different body...