Overview
A popular high school student, who is the top student of her class, mysteriously dies. Six of her friends who graduated from the same elementary school attempt to track down the reasons for her death. While the six friends try to find the truth behind her death, they struggle with teenage hardships and academic pressures.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 21 | 35 | |
 | 17 | 32 | |
 | 23 | 37 | |
 | 23 | 38 | |
 | 25 | 40 | |
 | 15 | 29 | |
| - | - | |
| - | - | |
 | 36 | 50 | |
| - | - |