

He was once a prosecutor but now works on the legal team of Dodo Group. Il-jae was Guk-cheol's uncle who murdered his parents and stole his inheritance. He also has an illegitimate son - Gun-woo. He is the father of Gwang-woo and Shin-young. The main cast have found employment within Dodo Group, each with their own motivations and objectives. After Do Choong finds out that Gun-woo is his illegitimate son, he takes Gun-woo under his wing and promotes him to Vice Chairman of Dodo Group.Ī NIS agent who has been tasked with infiltrating Dodo Group.ĭodo Group is a large and powerful chaebol in Korea. As one of Dodo Group's new recruits, Gun-woo develops a mutual rivalry with Kang Ki-tan. Byun Il-jae brings him back to Korea with the intention of using him as a tool to topple Dodo Group's chairman and take the company for himself. Gun-woo lived in America for most of his youth, having murdered his abusive stepfather and witnessed his mother commit suicide. He is the illegitimate son of Dodo Group's chairman. Later in the series, she starts up a law firm with Min Byung-ho. She is somewhat materialistic, stemming from her struggles to make ends meet to pay for her autistic younger brother's medical fees. She meets Kang Ki-tan, but both are unaware of their shared past together due to both of them having adopted new identities. Many years later, she now goes by the name Oh Soo-yeon. Guk-cheol begin to develop feelings for her but circumstances separated the two.

Sung Yu-ri as Oh Soo-yeon / Cha Jeong-eun Īs a teenager, Cha Jeong-eun met Guk-cheol when she worked as his maid.With the latter's financial backing, Ki-tan starts his own company, KT Corporation, with plans to take over Dodo Group and complete his revenge. Later in the series, he is adopted by Jo Ki-ryang, the leader of Huaping after he takes a bullet for him.

He obtains a new identity - Kang Ki-tan, using it to exact revenge on those responsible for his predicament. Years later, he undergoes surgery to cure his blindness and change his appearance. Blinded by the car accident that killed his parents, Guk-cheol's sense of hearing is heightened to superhuman levels, an ability he would continue to possess as an adult. He survived several murder attempts against him, but lost everything and became a beggar.
