Eun Xiangcheol (played by Lee Sung Jae), who has a small amount of power in a large company, originally had a happy life, but his affair with his female colleague Yin Songhua (played by Wang Jiji) caused his wife to commit suicide, leaving behind his eldest daughter Han Jie (played by Kim So Hyun) and his eldest son Du. Jie (played by Chae Sang-woo), second son Se-gyeol (played by Nam Da-reum) and their youngest daughter Hye...