Lin Yu, who was once the God of War in Dragon City, lost everything due to a family conspiracy and external forces, and was forced to become the Su family's son-in-law. Gentle on the outside and strong on the inside, he endured the ridicule of his family and the cold eyes of the outside world and grew up. He and Su Wanqing went from misunderstanding and friction to understanding and helping each other, and gradually uncovered the old cases of the Su family, the mystery of his father's disappearance, and the truth about his own identity. Undercurrents of power struggle, brotherly love and hatred, family disputes, and emotional entanglements - multiple threads go hand in hand. In the end, Lin Yu changes his destiny with an invincible appearance, not only completing self-salvation, but also leading the Su family to new glory.