A romantic melodrama that depicts the story of a man and a woman who, exhausted from their harsh reality, begin to understand each other with new emotions and find themselves gradually changing. Sim Woo Joo's life became miserable because of her father and his mistress. After her father's death, Sim Woo Joo is kicked out of her home by the woman her father dated. She decides to take revenge on that woman. She approaches Han Dong Jin, who is the son of her father’s ex-mistress. Sim Woo Joo gets to know him and realizes that she has fallen in love with him. Han Dong Jin is a workaholic, who has suffered from loneliness for his entire life. His life changes after he meets Sim Woo Joo.