Characters

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  Cha Eun-dong (Park Ha-na)

  Eun-dong who is daughter of security guard (ex-priest). Since she was young called 'Trouble maker' but she didn't meant to make trouble. One day, she became struggled in unwanted circumstances and then she was about at the end of the edge. Her only trusted man as Kang Tae-in had betrayed her.
  
  7 years later, she has been working assistant of stylist to keep her life. Unfortunately, she met Mr. Kang again and she committed herself to avenging what he had done to her.
  Eun-dong who is daughter of security guard (ex-priest). Since she was young called 'Trouble maker' but she didn't meant to make trouble. One day, she became struggled in unwanted circumstances and then she was about at the end of the edge. Her only trusted man as Kang Tae-in had betrayed her.
  
  7 years later, she has been working assistant of stylist to keep her life. Unfortunately, she met Mr. Kang again and she committed herself to avenging what he had done to her.
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  Kang Tae-in (Ko Se-won)

  Tae-in grown up in ordinary family therefore, he was promoted from the end of pyramid to get executive in company. Although, he is even trusted by the chairman with his level-headed reason that values principles and thorough judgment. However, Jun-hyuk pushed Tae-in to the end of edge on purpose. That reason is why he abandoned Eun-dong so he had to come to grips with reality. However, he has never forget her even for a moment. 7 years later, Eun-dong comes to in front him.
  Tae-in grown up in ordinary family therefore, he was promoted from the end of pyramid to get executive in company. Although, he is even trusted by the chairman with his level-headed reason that values principles and thorough judgment. However, Jun-hyuk pushed Tae-in to the end of edge on purpose. That reason is why he abandoned Eun-dong so he had to come to grips with reality. However, he has never forget her even for a moment. 7 years later, Eun-dong comes to in front him.
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  Choi Jun-hyuk (Kang Seong-min)

  The son of the chairman of the Korea Hospital Medical Foundation. It is a family with Chairman Han Kwang-hoon of F Sports Group. However, his new trust is toward Kang Tae-in, who is a college motive, and he has a strong conflict with him. Then, after an incident, a sweet suggestion was made to Kang Tae-in's fiancée Oh Hye-won, which changed the lives of three people, Cha Eun-dong, Kang Tae-in, and Oh Hye-won.
  The son of the chairman of the Korea Hospital Medical Foundation. It is a family with Chairman Han Kwang-hoon of F Sports Group. However, his new trust is toward Kang Tae-in, who is a college motive, and he has a strong conflict with him. Then, after an incident, a sweet suggestion was made to Kang Tae-in's fiancée Oh Hye-won, which changed the lives of three people, Cha Eun-dong, Kang Tae-in, and Oh Hye-won.
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  Oh Hye-won (Park Young-rin)

  Department of Thoracic and Cardiovascular Surgery, Korea Hospital, where Choi Jun-hyuk's father is chairman of the Foundation. Kang Tae-in, who has been a lover since college, promised marriage. Born in a poor family, she came ahead and came forward with her self-sufficiency and self-denial, but was in danger of losing everything she had accumulated. And at the edge of the cliff, Choi Joon-hyuk proposes a dangerous deal, and there is a conflict between love and ambition.
  Department of Thoracic and Cardiovascular Surgery, Korea Hospital, where Choi Jun-hyuk's father is chairman of the Foundation. Kang Tae-in, who has been a lover since college, promised marriage. Born in a poor family, she came ahead and came forward with her self-sufficiency and self-denial, but was in danger of losing everything she had accumulated. And at the edge of the cliff, Choi Joon-hyuk proposes a dangerous deal, and there is a conflict between love and ambition.
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  Han Ji-hoon (Lee Chang-wook)

  The son of the president of F Sports Group. It was born as a gold spoon and seemed to have grown up without lack, but it was the amount that caused all kinds of accidents during school as a result of resentment and hurt for his father. His life, which was never found in such seriousness, is completely changed when he meets Cha Eun-dong. He became the only resting place for her whenever it was difficult. He later faced a fierce confrontation with Kang Tae-in over Cha Eun-dong.
  The son of the president of F Sports Group. It was born as a gold spoon and seemed to have grown up without lack, but it was the amount that caused all kinds of accidents during school as a result of resentment and hurt for his father. His life, which was never found in such seriousness, is completely changed when he meets Cha Eun-dong. He became the only resting place for her whenever it was difficult. He later faced a fierce confrontation with Kang Tae-in over Cha Eun-dong.