The Malaysian father, Beng Soon, came to Taiwan to investigate the disappearance of his son, Kah Choon. During the process, he gradually realized his lack of understanding towards Kah Choon, while also discovering the changes in Kah Choon.
| Actor | Role |
|---|---|
 Pete TeoHO Beng Soon (Father) | HO Beng Soon (Father) |
 Wu Ming-yehHO Kah Choon (Son) | HO Kah Choon (Son) |
| WWynna OonSOONG Shi Jia (Ex-Girlfriend) | SOONG Shi Jia (Ex-Girlfriend) |
 Wu Hai-ningOfficer | Officer |