Lin Jin, the war god of the Dragon Kingdom who was once known as the "human weapon", mysteriously disappeared after ten years of overseas bloody wars. He retired to a small town in the south of the Yangtze River and became a low-key bookstore owner. He returns only for one person: his first love Su Wanqing, who lost her family and lost her memory and became disabled because of him. However, the global spiritual energy is resurrected, supernatural powers are awakened, and monsters are running rampant. The old enemies are making a comeback with the help of the new era, and their target is the healing artifact awakened in Su Wanqing. Faced with the new urban order and the undercurrent of pursuit, Lin Jin had to choose between hiding his identity and protecting his lover, and once again took up the blood-stained sword. This is the road to redemption in which the God of War returns, and it is also a thorny love that is broken and reunited. In the frenzy of spiritual recovery, can he protect the clear sky that remains after the disaster?