In the Age of Ending Dharma, the last person to ascend in the human world is Wudang Patriarch Zhang Sanfeng. Seven hundred years later, the Three Realms suffered a catastrophe, and the ancient mythology inherits the background of choosing mortals to save the world. It combines the anxiety of daily life with the crisis of the extraordinary world, and through the "immortal fate" that the protagonist Cheng Xiaofeng is forced to accept, embarks on a journey of growth in the modern city, exploring immortality, exploring the truth, and shouldering an unknown mission, shrouded in blood rain and visions.