The main character, Ching Cheng, who was originally a genius in the military field, fell into the ravine of death in the forbidden land of the mainland due to the conspiracy of the people. Chingchen, who inevitably died, unexpectedly unleashed the power of a mysterious, ancient sword. 300 years later, in a remote area of Tianmu mainland, a boy with the same name happened to inherit Qin Chen's will. As the beloved grandson of King Dingwu of the Great Qi National Army, after the birth of his biological father, his mother and son were treated coldly and lived together in the royal palace of Dingwu. In order to rewrite the myth of the strong man who longs for the sun and protects everything he loves, Qin Chen resolutely assumes the responsibility of protecting the five kingdoms of the world and once again embarked on the path of martial arts.