Character :

Kim Taeyeon

Smart, cheerful and beautiful, a Sophomore in Seoul University majoring in Law, she is 20 years old, but she have a struggle life to finish her study, to pay her mother hospital fee who have a leukemia, her younger sister school fee and also pay for her family needs. She have an older brother Kim Jiwoong and younger sister Kim Hayeon. Her older brother is also study in Seoul National University majoring in Medical. Together she and his older brother worked hard and have a lot of part time job like being a teacher for a high school student and even become a driver and working in convenience stores to have a better life and pay for their mother treatment.

Kwon Jiyong

CEO of Kwon Enterprise, 28 years old, famous for being smart, handsome, wise, but have a cold and assertive personality. He is the CEO of Kwon Enterprise which run several business in the field of automobile manufacture, aviation and telecommunication. He is married with 26 years old Kiko Mizuhara.

Foreword :

Kim Taeyeon need a money for her mother bone marrow transplant to make her mother heal from her leukemia. While Kwon Jiyong and his wife need to borrow a womb so they have a baby because Kiko have a weak body and can not have a baby because she have a heart defects, so Taeyeon, to receive a money for her mother surgery agree to rent her womb, and with no meeting at all with Kwon Jiyong and his wife, after 9 (nine) months she then gave birth to Kwon Jiyong and Mizuhara Kiko son.

3 years later, Taeyeon who already become a lawyer and stable life with her family, suddenly have a car accident and the doctor said that she can not have a child anymore. She who never think to have a baby again, then really want her son back to her. While Kwon Jiyong lost his wife Mizuhara Kiko  and struggle to raise his son alone.