In the troubled times of the northern border, Lin Chen was burdened with the hatred of his family and the country. After being lucky enough to survive, he was forced to become the Su family's son-in-law. He endured humiliation and was looked down upon for his status. The relationship between Su Jinyu and Lin Chen went from mutual distrust to fighting side by side. Driven by multiple conflicts such as family disputes, secret fights in temples, border wars, reunions of brothers and sisters, and confrontations with former enemies, Lin Chen gradually demonstrated his own value with practical actions. The story progresses on multiple lines, including the protagonist's self-redemption, the confrontation with family feuds, the overall background of the rise and fall of the family and country, the deep bond of brother and sister, as well as the protagonist's inner self-struggle and constant transformation of identity. In the ending, Lin Chen not only completed his revenge, but also made a difficult choice between his family, his country and himself, truly realizing his rise and redemption from grassroots to power.