Wu Zonghua, who suffers from Alzheimer's disease, has always been at odds with his family, especially with his son Wu Yong. Just before Wu Zonghua went to the end of his life, he insisted on going back to Jialing County, where he used to work in his youth, to visit his old comrade who was seriously ill. As his father was unable to take care of himself, his son Wu Yong had to accompany Wu Zong Hua on this journey, but he did not expect to reveal a secret about his father's youth. After accompanying her father on the last journey of his life, Wu Yong finally recovered the bond with her father, and her father, Wu Zong Hua, passed away in peace.