Overview
Ga-In’s (Hong Soo-A) family went into financial difficulties when she was a college student. One day, she happens to meet Eun-Jung (Lim Seong-Eon). They went to the same high school. Unlike Ga-In, Eun-Jung seems to have everything including a happy marriage life and stable job. Ga-In feels jealous of Eun-Jung and soon she becomes obsessed that she is Eun-Jung.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 29 | 39 | |
 | 32 | 41 | |
 | 38 | 48 | |
 | 34 | 44 | |
 | 47 | 57 | |
 | 7 | 17 | |
| 37 | 47 | |
| 52 | 62 | |
 | 27 | 36 | |
 | 31 | 40 |