The series is adapted from Zhu Yi's novel of the same name. The drama tells the story of Wen Yifan living a life of sharing a living with her high school classmate Sang Yan, who was once rejected by her.The two of them did not interfere with the river, but because Wen Yifan learned from Sang Yan's mouth that his sleepwalking caused the two to have a intersection.

Wen Yifan returned to work in his hometown and unexpectedly met his high school classmate Sang Yan.After a long separation, they met again. The two pretended not to know each other, but they met again and again.Wen Yifan was harassed by the man next door and had no choice but to decide to move.Sang Yan's apartment was affected by a fire at a neighbor's house and also needed to be renovated.By chance, the two of them actually rented together.The two people who were originally escaping each other broke the barriers and couldn't help but approach each other.Sang Yan's meticulous care made Wen Yifan gradually open his heart and decided to muster up the courage to pursue Sang Yan on his own initiative. Sang Yan also crossed the city to give her the most sincere confession, and the two officially confirmed their relationship.Later, Wen Yifan confessed to Sang Yan that the reason why he violated the agreement and did not take the same university as him.Sang Yan, who learned the truth, felt very distressed and vowed not to let Wen Yifan be hurt anymore and protected her with practical actions.Finally, the two moved into the new home designed by Sang Yan and jointly managed a happy life.