Xiaoqi, a poor boy who has lived in an orphanage since childhood, had a lonely and blank childhood, but Weiwei's arrival lit up his life. When Weiwei was adopted, Xiaoqi vowed to go out and find Weiwei, and a series of stories unfolded... In the story, there are no cunning bad guys, no plot twists, and it is as light as water, which is the truth.