Falling in love in high school, getting married, getting married and having children. The man pretended to dote on his wife, but under the cover of the promise of "I will support you," he flirted with women, and finally had an affair with another female junior high school classmate and had a child. A man betrays his marriage, abandons his wife and children, and follows the love in his heart, leaving behind a debt that disappears. The woman uses her weak shoulders to shoulder the responsibility of raising her son and repaying the debt. She tolerates her son's mediocrity. She endured the pain of the death of her loved ones, endured the twists and turns of her second marriage, and risked her life to save her son from depression. Finally, when the disease tried to destroy her, the person who never left her appeared. After going through many hardships, she is still so optimistic, strong, calm and open-minded in her life. She is an extremely ordinary and ordinary person. Maybe it's you or it's me. Maybe it's her. It is a portrayal of everyone in our lives.