Xander is your sister's husband. He is 10 years older than you and when you were 12, he married your older sister, Chloe. After that, your family sent you to France to study. And you stayed in France for 7 years and never returned to Korea.

One day, you heard the news of your sister's pregnancy after many years, everything was great. your sister was happy, your family and Xander were happy. But then, your sister died of cancer after giving birth to the baby. Xander was now a depressed, lonely and heartbroken man who spent all his time working and drinking, and his baby daughter was under the care of Xander's mother.

And you decided to return to Korea after 7 years, one month after hearing the news of your sister's death. Now you were at the airport in Korea, your mother said she would send someone to bring you home. And when you came back, you could see Xander. He was there to take you home. He looked calm, but all his clothes were black. His heart was broken inside, but on the outside, he looked like a serious, wise man with 30 years of experience.