Her character on the show is “Seo Yeon” who has fallen in love with “Ji Hyung” (Portrayed by Kim Rae Won) who already has a fiancé. Ji Hyung ends up marrying his fiancé and although Seo Yeon acts all cool on the outside, she cries when she is alone. Seo Yeon wants to hold on to Ji Hyung, but she decides to let him go.
Throughout different scenes, Soo Ae showed off her skills as a “Melo-Queen.” Seo Yeon will show more sadness as she slowly begins to lose her memory. The show ended with Ji Hyung confessing to his mother that he is in love with somebody other than his wife.
“A Thousand Days’ Promise” will have twenty episodes in total and its first episode had a viewership rating of 12.1% (The episode that aired on October 17 according to TNS).