Gao Enxing (played by Han Hyo-joo)'s life was smooth sailing. The only thing he was struggling was that he had secretly changed his major and chose to go to a cooking school. When he was about to find an opportunity to tell his father the truth, his father called a cross-border telephone. ddd。 Tell her younger brother Gao Enyu that she is suffering from autism and ask her to return quickly.After returning home, Enxing encountered a huge change like a bolt from the blue.My younger brother became autistic;My father went bankrupt;The stepmother robbed the inheritance.And my luggage was also taken back from passers-by.This passerby is Xian Yuhuan (played by Lee Seung-ki), the grandson of a large consortium. He is quite proud on weekdays, which makes his grandmother very uncomfortable.One day, Huan's grandmother lost her memory when she went out and was helped by Eun-sung, which made her very fond of Eun-sung, and even brought the homeless Eun-sung to live at home.The most surprising thing to the Huan family was that grandma actually gave her huge inheritance to Enxing!This "brilliant" legacy made Eun-sung suffer from jealousy and suspicion from the Huan family.And Huan also changed from initial hostility to having a good impression of Eun-sung, and the story unfolded in a confusing and confusing manner.