Carrie Jung lost her husband and child. She now lives only take revenge on those responsible for their deaths. Carrie Jung raises Han Yoo Jin as a tool in her revenge plan. Han Yoo Jin is a smart and beautiful woman, but she falls in love with a man who she should not love.
Na-Yeon is a bright woman. She supports her boyfriend Tae-Joon, who is from a poor background, and has even given up entering a university. But Tae-Joon dumps her for his success and goes with Se-Jin, who is a granddaughter of Baekdoo Company president. Do-Hee is Na-Yeon’s twin sister. She is arrogant and tough. Do-Hee works as a reporter at a weekly magazine. After Na-Yeon’s death, Do-Hee decides to take revenge. She takes on the identity of her sister Na-Yeon. Do-Hee then meets Hwi-Kyung, who is successor of Baekdoo Company.
Hae-Jin is 36-years-old. She is married to Jin-Sang, who is 6 years younger than her, and they have a daughter Yoo-Ri. Hae-Jin runs a restaurant that she took over from her father-in-law. She supported her husband Jin-Sang while he studied to enter a university. Because of Hae-Jin, Jin-Sang is now attending a prestigious university, but he has an affair with Joo-Ri. She is the young daughter of a rich family. Hae-Jin becomes aware of her husband's affair, but she doesn't want a divorce. Meanwhile, Dae-Gu appears in front Hae-Jin. Dae-Gu is a drama series writer. He was once in demand for his screenwriting, but his popularity has waned. His marriage life is not doing well either.
