Unstoppable High Kick

Unstoppable High Kick (2006)
Korean Drama

Cast: (character names, I believe)
Seo Min Jung
Kim Bum
Seung Hyun
Chan Seong
Kang Yu Min

Genre: Family Sitcom

Episodes: ?

Playlist Currently Uploading PRIVATELY as of Mar. 24, 2007 (cr)

Summary: Lee Sun Jae plays the head of the Lee family and a hospital. He is only a "coward" in front of his first daughter in-law as she had been providing financial support when the hospital was doing poorly.

Shin Ji plays a CM singer who although divorced the second son of the family played by Choi Min Young, she can't break up with him completely because of their child and as they still some feelings for each other as well. They will have a triangle relationship with Seo Min Jung, Min Young's fellow teacher.

Min Young is a teacher at a high school where both his nephews are studying.

~All info taken from soompi forums~