When we first met, I didn't know that you were so important to me that I had to use my life's memories to commemorate our past; I always thought that we were destined in the past and present life, but I didn't know that we were destined to be destined; we only saw the beginning, but did not expect our ending - Gu Zaozao and Chi Zhiwen met in the flowery season ; Holding hands and falling in love in the poetic years, the sky was very blue at that time, and the sunshine was like the smile blooming on their faces, warm and beautiful; they thought that this life would be as firm as the promise they made when they first met until the end of their lives - until one day Gu disappeared early without any sign or trace, as if he had never appeared in Chi Zhiwen's world. One is in pain and despair, the other is in dire straits. Three years later, after an unexpected encounter, Gu Zaozao ran away again... Things have changed, people have changed, what kind of love-hate entanglement is there, who is whose love in this life...