It tells the story of the son Sung Joo (Jo Dong Hyuk) of the agricultural product wholesaler Ling Guang Zhai (Gao Douxin) who raised his children alone for 30 years after he married to Gao Chang, who was receiving medical services in the United States, and suddenly returned to China with a strange foreigner Su Ji (Jiang Eun Jin) The story that happened later.