The Promise (2016)

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.

• First Air Date: 2016-02-01
• Last Air Date: 2016-06-24
• Total Seasons: 1
• Total Episodes: 102
• Episode Runtime: 35 min.
• Network: KBS2
• Director: Jeon Woo-sung