Wu Zonghua, who suffers from Alzheimer's disease, has always been at odds with his family, especially with his son Wu Yong. Just before the end of his life, Wu Zonghua insisted on going back to Jialing County, where he had worked in his youth, to visit his old comrades. Because his father is unable to take care of himself, his son Wu Yong accompanies Wu Zonghua on this journey.

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