Residents of the same alley as Qi Ming and Yi Yao are neighbors. Qi Ming always supports and guards Yi Yao as an older brother would. In the backyard of the alley, Qi Ming plants a tree in honor of Yi Yao and makes a wish that he will be able to provide her with the warm family she has always imagined. As time goes on, Qi Ming assists Yi Yao in overcoming a variety of challenges, including a misdiagnosed sickness, an emergency procedure, and other difficulties. However, the difficulties of falling in love and starting a job were unavoidable. Finally, Qi Ming and Yi Yao overcame all obstacles to become partners after finishing college and moved out of the alley. However, due to the following, the two were forced to once more
