Payback: Money and Power Season 1

Eun Yong, a money business titan and an affluent financial capitalist, has been living a life of a recluse in the pastures of Mongolia. Eun returns to Korea when his nephew Tae-chun and his late benefactor's daughter Joon-gyeong enlists his help. He prepares for war against corrupt powers to protect his beloved family and to avenge the death of a dear old friend.