High schooler Chu Xuan is framed by a powerful rival, but a mysterious jade pendant left by his late mother reveals a shocking truth—his father is Chu Yuntian, a legendary general from 1,800 years ago. The pendant bridges time, allowing father and son to connect across worlds. When Chu Xuan is in danger, Chu Yuntian uses celestial power to travel to the present. His arrival shakes the modern world, and his identity is confirmed through battle scars, ancient paintings, and a sword only he can wield. Together, father and son fight back against corruption and injustice. A time-defying bond reignites, as the legend of a war god lives on—in a new era.