Two forgotten teenagers, a journey of redemption. A boy named Ma Liang, who lives alone as a wanderer, coincidentally meets a forgotten and neglected child named Xuan Xuan by his family. Similar destinies make the two lonely teenagers warm each other and gradually approach each other. They establish a small family together, and their restless souls have a home from then on. However, an accident shattered everything. A group of uninvited guests broke into their lives, causing the gears of the fate of the two teenagers to rotate again. This time, Ma Liang decided to change everything