The life of a family of three changed when the father Weiming was diagnosed with terminal liver cancer. The seemingly peaceful family was shrouded in a haze. The mother Mu Ling took care of the family, but she did not get the understanding of her father and son. The son Yiming received an admission letter from a university in the United States, but he did not dare to tell his parents. He knew that his mother had a hard time, but he did not want to show too much concern. The father Weiming secretly made a choice that changed the fate of the family in the fog.