The girl Xiao Yuanyuan and the Ye brothers and sisters grew up together, and the two families are also family friends. She has a very close relationship with her sister Ye Zi, but she and her brother Ye Chen are "enemies". Because she was often said to have low emotional intelligence, she vowed not to get married, but this vow was broken by her "enemy" in her third year of junior high school. One day when she grew up, she was "tired" from work and had a dream. She dreamed that she was back in junior high school, the place where Ye Chen had his original intention...