She said she could not be a daughter or a lover. He said it is always easier to be who you are on the outside than who you are on the inside. It is desire, helplessness, youth, and human nature. Sang Lan and Wu Yiku are brothers and sisters in a reorganized family. They each have extreme personalities, but they admire and imitate each other and cherish each other. She exists with extreme feelings, and he lives in memories. People around me come and go, Tian Tian, Xiao Lu, Qin Zhengyang, Zhang Zhe, Ding Youzhong. How did they leave their unforgettable existence? Or maybe the unforgettable past is just an illusion. Along the way, I no longer recognize myself as I was before. Is time changing or have we been swallowed up by life? Life is not a novel, and any ending will not be hinted in advance. All we can do is use experience to uncover the mystery. This is the tragedy of life, and this is also its charm. We are all wandering endlessly from beginning to end...