Jiaping and Han Xu have been in love with each other since they were young. Jiaping, who has strong self-esteem, chooses to stay away from Han Xu quietly because he is afraid of being intimidated by others. Han Xu, who is stupid, does not know his true love. 12 Years later, he marries another wife and has a child. Jiaping, desperate, wrote him the first love letter in her life. From then on, she picked up her mood and started living her own life. Another 12 years later, Jiaping was ordered to organize a class reunion. The radiant Jiaping finally blinded someone as he wished. However, both parties had their own families. Han Xu had an upright personality and could no longer face a wife and children he did not love, so he resolutely chose to divorce and began the life of an ascetic monk. Jia Ping, who was ashamed of her husband and daughter, stubbornly defended the siege and suffered slowly. The third 12-year cycle. Han Xu finally fell seriously ill due to loneliness and depression. Looking at their backs hugging and crying at the hospital bed, Jiaping's husband and daughter decided to return their love to Jiaping and Teacher Han. There are many reincarnations in life, and they hope they can continue to love each other like this.