Chen Shengnan was abandoned by the Fire Sea since childhood, but fortunately his adoptive father sacrificed his life to save him and treated him as his own. She lived up to expectations and was admitted to Harvard, enduring hardships to raise tuition fees. Upon returning from school, I pledge to repay the kindness of nurturing. Seeing her adoptive father being bullied, she stepped forward, exposed the truth, cleared up old grievances, and demonstrated justice. Faced with the moral blackmail of her biological parents, she adhered to her principles and only recognized her adoptive father, refusing to acknowledge blood ties. At the Xie Shi banquet, she expressed her sincere gratitude and refused the request of her biological parents to recognize her relatives. She used a severed finger to show her determination, demonstrating that nurturing kindness is more important than giving birth kindness. Her adoptive father felt sorry for her and did not want her to hurt herself. In the end, between legal principles and emotions, she chose to stay by his side and become a model of gratitude and righteousness