Byun Ji Sook (Soo Ae) is about to disclose her identity but Min Seok Hoon (Yeon Jung Hoon) runs suddenly into the room and says her nanny is in a critical condition. Choi Min Woo (Ju Ji Hoon) wants to go a hospital with her but she shakes herself free from the husband and leaves home with the brother-in-law of him.
Seok Hoon drives not to the hospital but to a desolate place at breakneck speed and he talks about his father's death and his dream to make the world where the poor are happy without money.
Choi Mi Yeon (Yoo In Young) hands a fountain pen to her brother saying she doesn't question but there is a romantic relationship between her husband and his wife.
Ji Sook comes to the headquarters under her father-in-law's direction. And her mother-in-law lets Mi Yeon go to work for fear that her daughter may be kicked out of succeeding the company.
Ji Sook is struck dumb when she sees Kim Jung Tae (Jo Han Sun) who visits Min Woo to make a strong protest against the selection of the constructor for the shopping complex development project. The representative of the subcontractor wonders what is happening to Ji Sook when he hears that her name is not Byun Ji Sook but Seo Eun Ha.
While looking for things of his wife to find out a lavender flower on the fountain pen, Min Woo stumbled upon a note book with his secretary's cell phone number presses him for an answer and knows his wife helps her ex-boyfriend and his family on the quite. Min Woo visits a snack bar where Ji Sook's family runs and gives Byun Ji Hyuk (Hoya) a severe warning to stay away from his wife.
Min Woo sees a painting with the violet flowers on it purely by chance and he notices that his sister's husband and his wife are more that just friends.
Jung Tae tells Seok Hoon to investigate Seo Eun Ha in secret saying the two women should have switched each other. The bad man plans to kill the man who noticed the trouble and Ji Sook's high school friend finally dies of poison.
Ji Hyuk is committed murder by the loan shark but he flatly refuses his proposal burning a photograph of Jung Tae. As his mother succumbs to a serious liver disease, he is obliged to accept the offer because of medical bills. Before he visits the target's house, he calls Ji Sook and he leaves behind voice message which he wants her to stop him doing it if she is his real sister.
A police officer stops her who is speeding and she is taken to the police station because she doesn't have her identification. She is on the point of refusing to get her fingerprints when Min Woo walks in shouting to officers to leave his wife alone.
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