On the SBS weekend drama 'Five Fingers,' Jo Min Ki revealed the reason for why he left his son Kang Yi Suk.

In the 3rd episode of 'Five Fingers', Yoo Man Se(Jo Min Ki) was seen throwing a birthday party for his oldest son, Yoo Ji Ho(Kang Yi Suk).

After the birthday party ended, Man Se and Ji Ho were seen having a serious talk. Man Se revealed to Ji Ho that his biological mother is a pianist and that he really loved her.

Ji Ho asked, "why didn't you marry my mom?" Man Se then reminisced his past. When Ji Ho was a a baby, he said, "don't worry. We will see each other again. You are Yoo Man Se's child," and left him.

Man Se stated, "at that time, I was incapable. Also, this belonged to your mother. Keep it in the back of your drawer," and gave him a handkerchief.

Meanwhile, 'Five Fingers' is a melo music drama about a prodigy pianist's dream and love, and the battle and revenge to become the next heir of the instrument making group. It is also about the process of overcoming the misery and scars gained through the battles.

The drama, 'Five Fingers,' is made by writer Kim Soon Ok of 'Temptation of Wife,' 'Temptation of an Angel,' and producer Choi Young Hoon of 'Obstetrics and Gynecology Doctors' and 'Warrior Baek Dong-Soo.' Chae Si Ra, Ji Chang Wook, Jin Se Yeon, Na Moon Hee, Cha Hwa Yeon, Jo Min Gi, Jeon No Min, Jeon Mi Seon will all be in it.