My grandfather is over the age of ancient times and seriously ill. Before his death, he needs to find his biological mother for his grandson, Xiao Shan, who has been raising him for eight years but is not a relative. With only a few clues, they embarked on a journey to find their loved onesAlong the way, I met various people and experienced many things. Although the ultimate goal of searching for relatives was not achieved, it made the two of them more aware of the meaning of each other's existence in life.