Fai is a 39-year old lighting electrician. Married with a 3-year old daughter, Fai is no longer in love with his wife who seems more capable and more the head of the family. 20 years ago, Fai just got into university and was dating Ming Mei, a banker's daughter who lived on Mid-Levels. A landslide took Ming Mei's life and afterwards Fai married Ming Mei's roommate. One stormy day a mystery old phone booth appears on the road where Fai is working. To his surprise, Fai dials through to Ming Mei from 20 years ago. Soon today's Fai is calling Ming Mei every stormy day and his younger self feels threatened by the strange caller. Realising his fault, Fai sets out to contact himself from 20 years ago to clear up the misunderstanding and maybe even save Ming Mei from the landslide and change the course of his eventual unhappy marriage.
| Actor | Role |
|---|---|
 Giles ChanAu Teung Chung - 60s | Au Teung Chung - 60s |
 Benz Hui Siu-HungDiscipline Master | Discipline Master |
 Kenny Kwan Chi-BunAu Yeung Chung - 70s | Au Yeung Chung - 70s |
| HHui Man-ChunBenny - 70s | Benny - 70s |
 Yan NgDora - 70s | Dora - 70s |
| MMak Pui-YeeSum's Mom - 60s | Sum's Mom - 60s |
 Fiona Sit Hoi-KeiSzeto Sum Summ - 70s | Szeto Sum Summ - 70s |
 Karen Tong Bo-YueDora - 00s | Dora - 00s |
 Hiromi WadaAu Yeung Ching - 00s | Au Yeung Ching - 00s |
| MMei Yee WangTV Host | TV Host |
| CChoi Wan-WaChung's Mom - 60s | Chung's Mom - 60s |
 Ken WongAu Yeung Chung - 00s | Au Yeung Chung - 00s |
| CCho Yuen-LingSzeto Sum Sum - 60s | Szeto Sum Sum - 60s |
 Tony HoBenny - 00s | Benny - 00s |