When Molly commits suicide, her mother uses technology to relive her experiences and investigate why she died.
| Actor | Role |
|---|---|
 Gingle WangMolly Lin | Molly Lin |
 Ivy YinMolly's mother | Molly's mother |
 Yun Chung-YuehMolly's father | Molly's father |
 Emilia ChenKelly Lin | Kelly Lin |
 Waa WeiPsychologist | Psychologist |
| MMohammad Umar AfzalChien Sheng-Yao | Chien Sheng-Yao |
 Yen TsaoLu Chih-Hsiung | Lu Chih-Hsiung |
| HHai-Er LinRose's mother | Rose's mother |
| TTing-Chih KaoRose Lu | Rose Lu |
| YYu-Chen HeTutor | Tutor |
 Eunice LiaoHome Teacher | Home Teacher |
 Lung-Yi TsengKelly's Teacher | Kelly's Teacher |