Bright and smart university student Hyun Soo has experienced a very tragic past as she lost her father in a motorcycle accident and her mother suffered brain damage of it. Hyun Soo married with Yoon Ho, but she is not in favour by her mother-in-law Young Ae. Her mother-in-law completely disappears from Hyun Soo's life when Yoon Ho is missing and his father is killed after an accident. But little did Young Ae know that Hyun Soo is pregnant of Yoon Ho.