Hélène Masson visits her friend Gérôme Savignat in the isolated rejuvenation clinic owned by Dr. Devilers and his partner Dr. Berbard. But after a series of tragic events, Hélène goes…

Who is Anton Haliakov, who has just been abducted by the M.I.5 in London? A Soviet scientist apparently. But sixteen years before the man had another identity, Clément Tibère, and…