Turin, 1984. Marzia Arnaudo, a young and sharp art critic, is on the run alongside Roberto Musa, the director of the “Ghestald Riddler” art gallery. They are relentlessly pursued by mysterious enemies, while the cunning Baron August Riddler, patron of the gallery dedicated to his father’s memory, is convinced that Marzia and Roberto are behind the theft of painter Lucio Decorelli’s masterpiece, Eternal Autumn . Beneath the surface, the baron’s true activities remain shrouded in secrecy, with shadowy business dealings stretching as far as distant Burma and ties to a cryptic organization known only as “the Order.” Meanwhile, investigations by the Carabinieri’s Anti-Terrorism Unit into attacks claimed by the “Anarchist Brotherhood” intertwine with the Cultural Heritage Protection Unit’s search for the missing painting, revealing a complex web of intrigue. It falls to the brilliant Marzia, aided by her reluctant partner in crime, to unravel the mystery, clear their names, and expose unexpected connections to a distant past. Amid gunfights, high-speed chases, ruthless murders, and deadly confrontations, their fight for survival intensifies—will they escape or remain forever Prisoners of an Eternal Autumn? This genre-blending thriller fuses elements of noir, mystery, romance, and fantasy. Marzia, a strong and independent woman of Apulian heritage living in Turin, leads the story with fierce determination. The novel draws inspiration from “Segretissimo” spy tales, Dumas-style swashbuckling adventures, battle shonen manga, 1980s Italian comedy and action films, Italian comics, and the vibrant music of the 1980s.