Payback: Money and Power

Eun Yong has led a rough life since losing his parents at a young age. His goal is to live a happy life with his sister Ji-hee and her son Tae-chun. After making a great fortune and living in Mongolia free from worldly cares, Eun returns to Korea to protect the ones he loves.

CEO Yoon was a ray of light to Eun Yong, who had been living his life in darkness. She and her daughter Joon-gyeong were his second family to him. Eun has doubts about Yoon's death when he realizes that something isn't right.

After 10 years, Joon-gyeong and Eun Yong finally re-connect. Eun Yong hears from Joon-gyeong the real story behind CEO Yoon's death. Special Investigations prosecutor Gi-seok makes Tae-chun an offer that he can't refuse.

Eun Yong's strategy to bring down Chairman Myung has begun, while Joon-gyeong and Tae-chun plan on turning the situation on its head in their own ways. Eventually, Chairman Myung and Gi-seok retaliate with their own powerful counterattacks.

Eun Yong barely survives a life-threatening crisis. He calls on Joon-gyeong and Tae-chun to devise a new strategy. The situation takes a new turn when Joon-gyeong speaks at a press conference.

Eun Yong turn himself in, to be the bait. However, because of Chairman Myung's scheme, he is suddenly accused of murder. Tae-chun desperately asks Joon-gyeong for help to save Eun Yong.