This is a story between a businesswoman and a trainee. She is a businesswoman. She is realistic and knows what is best for herself. She is a trainee at her company. She is optimistic and initiative. On the other hand (Second couple), She is a secretary who does not know where her life leads. Under life's pressure, she met her colleague who could not care less about her own life. Together, it became a game of cat and mouse… More characters will be revealed in later chapters."