at SFlix. Cao Dewang's wife passed away, leaving behind only one son, Cao Sheng. When an accident shatters their straitened but happy father-son life, Cao Dewang needs to place the minor Cao Sheng in an orphanage as soon as possible. In order to do so, Cao Dewang needs a non-biological certificate. The story behind this pair of father and son is only revealed little by little