The father who has been reluctant to live in the city suddenly took the initiative to visit his children. Although his daughter Lan Xiaozai was surprised and felt strange about this situation, she was overjoyed. She wishes to take this great opportunity to mediate and repair the years of estrangement between her father and her elder brother. However, the unexpected illness of her father has messed up the once warm reunion. During the days when her father was hospitalized, the siblings gradually penetrated into the father’s inner world and the unknown past. The hidden story was filled with guilt, resentment, dedication, and love. These contained elements were unexpected by the siblings. Can the father turn the crisis back into peace? Can the father and the son clear up their previous suspicions? What is the truth that almost caused the permanent trauma?