Yu Miri is a writer who's just become pregnant by her married lover. When she decides to keep the baby without his help, her ex-boyfriend Yutaka, decides to help raise him.

'How to Love Without Losing Myself' despite the problems of career, dating, and friends.

The beautiful female boss Zhang XiaoNa who has birth mark tries her best to achieve success and becomes the president of the content department, but she hasn’t been a relationship because her birthmark. Finally, she met her lover Chang Qing, a technical director at her company. They undergone some difficulties and finally got married.

Do Hoon and Soo Jin are a married couple. Do Hoon learns that he has Alzheimer's disease. He decides to divorce Soo Jin out of concern for her future. The couple divorces.

6 years later, they meet again.

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Toru, a 20-year old man, falls in love with a woman who is not only married but also 20 years older than he. Complicating matters even further, she also happens to be a good friend of his own mother. Not the makings of a simple relationship, to say the least. For her part, the married woman has all the money and possessions she could ever want. But something is missing, and it is that "something" that she finds in this very unexepected yet undeniable love for a man young enough to be her own son. The story unfolds in tandemwith that of Toru's friend, Koji, who also falls in love with a married woman. The two couples struggle to deal with the complexities of modern relationships, in an effort to find a balance between the forces of true love and the reality surrounding them.