Gu Changsheng, an urban elite, died unexpectedly and was reborn in the fantasy world of immortals, becoming the young master of a declining family. With the memory of his past life and an auxiliary system, he began a journey to change his destiny against the will of heaven. He discovered that his rebirth was not accidental, but involved in a huge conspiracy. In order to find out the truth, he embarked on the road to find the cause of death in his previous life. In the process of cultivating immortality, he met the immortal saint Su Qingyan and fell in love with her. At the same time, he was also involved in the palace battles of the declining dynasty and became an ally with the princess Murong Xue. Relying on the wisdom of his previous life and the help of the system, he uncovered the conspiracy step by step, and eventually grew into the God of War who protects the common people. The story is interspersed with Gu Changsheng's nostalgia for urban life and his longing for his lover in his previous life, intertwined into a magnificent picture.
