The drama is adapted from the Japanese TV series "Summer without Love".This is also the second time that Song Hye Kyo has collaborated with director Kim Kyu-tae and writers Lo Hee-kyung.Gambler Wu Shu (played by Cho In-sung) lives in a world of playing cards full of money and desires, and lives an extremely gorgeous life. Every night, he is with women and wine.Due to an accidental debt of billions of won, he turned his attention to the rich girl Wu Ying (played by Song Hye Kyo).As the only heir to a large enterprise, Wu Ying is smart and beautiful. She seems to have everything, but she is lonely and cold inside.Unfortunately, she suffered from the "tunnel visual disorder" that could blur the center of her vision and could not see the surrounding "tunnel visual disorder".For money, Wu Shu brought Zhencheng (played by Jin Fan) who was as close as a brother, pretending to be Wu Ying's brother who had not seen for more than 10 years, and came to Wu Ying's home together.He was cynical and found that Wu Ying was as lonely and sad as he was, and gradually developed feelings for her.Wu Ying was also moved by the warm words and actions of this brother as lies and his free charm, and slowly began to open his heart to him.And in the end, when the truth collides with lies, and when all the beauty built up is broken, what will the two of them face?