Under the neon lights of modern cities, there are unknown undercurrents. An agent who carries the inheritance of ancient immortals walks in the whirlpool of the spy sea in a mortal body, using immortal skills as a blade and wisdom as a shield to tear through the layers of fog shrouding the city. Overseas intelligence organizations covet the secret key to immortality in the Chinese Dragon Vein, and create bizarre cases one after another. The collision between technology and immortality is quietly staged in the bustling city. He wanders between good and evil, not only having to deal with deadly snipers from the dark, but also trying to solve the eternal mysteries left in the inheritance. Disguise your identity, lurk and track, break the situation with talismans, kill enemies with your sword, cut through conspiracies in silence, and protect your home and country on the edge of life and death. This is an intertwined game between immortality and espionage, and it is also an agent's journey against heaven. When the power of cultivating immortals is involved in secular espionage wars, he will single-handedly shoulder the heavy responsibility of protecting the common people and compose a passionate legend of urban immortal espionage.
