The Impossible Heir

The illegitimate son of a Korean conglomerate owner, Kang In Ha, teams up with his ambitious childhood friend, Han Tae Oh, to rise to the top of society. Born into poverty, In Ha discovers his father’s wealth and leaves his past behind, only to face rejection from his new family. With Tae Oh's intellect and their shared determination, they plot to take over the Kang Oh Group. As their success grows, a woman with a troubled past threatens to shatter their plans.

Synopsis: MyDramaList