蓝色生死恋

允教授带着三岁的俊熙到医院，看望刚生下二胎的妻子和小女儿。调皮的俊熙把妹妹和旁边一个女婴的名牌换了一下，一场误会就此展开。十四年后，俊熙和妹妹恩熙都在富庶的家庭里面过得很开心，在学校也是同学羡慕的对象。新爱是恩熙的同班同学，但是她因为父亲去世的早，母亲一个人在餐厅打工承担家里的生活，但是因为哥哥的游手好闲家里过得十分坚信，所以因为嫉妒经常为难恩熙，善良的恩熙却一直没有告诉任何人。这天，俊熙知道了这件事去找新爱理论，恩熙不希望事情闹大阻止哥哥，但是却意外出了车祸。医院里，因为输血问题允教授夫妻才知道恩熙不是自己的亲生女儿，后来调查知道新爱才是。允教授夫妻对恩熙的感情让他们难以抉择，但是新爱却无意之间知道了真相，于是去允教授家里认亲，原本他们不希望恩熙回去受苦，但是新爱却因为嫉妒无法和恩熙共处，恩熙懂事的选择回到原本的家庭，展开了另一段坎坷的人生。

Professor Yun took the three-year-old Junxi to the hospital to visit his wife and little daughter who had just given birth to their second child. The naughty Junxi changed the name tags of his sister and a baby girl next to him, and a misunderstanding started. Fourteen years later, Junxi and his younger sister Eunxi are living happily in affluent families, and they are also the envy of their classmates at school. Xin Ai is Eun Hee's classmate, but because her father passed away early, her mother worked alone in the restaurant to take care of the family's life, but because of her brother's idleness at home, she was very confident, so she often made things difficult for Eun Hee because of jealousy, kind Eun Hee Hee has never told anyone. On this day, Junxi found out about this incident and went to find Xin Ai's theory. Eunxi didn't want things to become serious to stop his brother, but unexpectedly got into a car accident. In the hospital, because of the blood transfusion problem, Professor Yun and his wife knew that Enxi was not their own daughter. Later, after investigation, they found out that the new love was. Professor Yun and his wife's feelings for Enxi made it difficult for them to make a choice, but Xinai accidentally knew the truth, so they went to Professor Yun's house to recognize their relatives. They didn't want Enxi to go back to suffer, but Xinai couldn't get along with Enxi because of jealousy. Eun-hee gets along with her, and Eun-hee sensiblely chooses to return to her original family and starts another rough life.