Shen Han uses the "Hanji Antique Shop" owner as a cover, but is actually the ace agent "Han Blade" of the secret agent organization "Night Owl", possessing the special ability of "memory retrospection". By chance, he acquired a Warring States bronze ware that contained clues to the smuggling of national treasures, and was accidentally involved in a transnational smuggling conspiracy targeting the lost national treasures. From life and death struggles in old domestic cities, to undercover tracking in Florence, Europe, to thrilling showdowns in the African Sahara, South American rainforests, and ancient Pacific underwater cities, Shen Han fought side by side with Cultural Relics Bureau investigator Su Wanqing, Master Chen Feng, and others, successively confronting evil forces such as the Black Snake Group, Ark Organization, and Shadow Pavilion, exposing the ghosts within the organization, and cracking the "Awakening Ritual" and "Treasure Devouring Plan." Waiting for a shocking conspiracy, tracking down the whereabouts of ancient national treasures such as the Jiuding, Kunlun Mirror, Nuwa Stone, and Pangu Axe, while protecting the lost national treasures, uncovering the foreshadowing related to the disappearance of the master and his own life experience, sticking to justice amidst the light of swords, and vowing to bring all lost national treasures back to the motherland.
