Lu Qingchen became the son-in-law of the Bai family due to family changes. When he first entered a wealthy family, he was looked down upon, but he gradually showed his talents due to his profound resourcefulness. From the internal disputes within the Bai family, the family's intrigues to the larger-scale court situation and the situation in the world, Lu Qingchen worked step by step, gradually winning trust and resolving crises. Multiple story lines are intertwined: the power struggle of the Bai family, the rising relationship between the protagonist and his wife, the loyalty and darkness of the world, and the self-rewriting of the boy's destiny. With the invasion of foreign enemies and the turmoil between the family and the country, Lu Qingchen grew up from a "brother-in-law" to a pivotal figure, repairing his emotions, integrating with his family and country, and finally taking charge of the general trend, achieving peace for his family and country and personal satisfaction.