Koey believes happiness is like a bottle of coke, it'll soon become tasteless if you don't enjoy it right away. Simon believes happiness is similar to planting trees. You need to water them everyday, and the true satisfaction comes when they blossom. Willy does not believe in happiness at all. Three lives intersect. Three totally different personalities. Three ways of experiencing life and love.
| Actor | Role |
|---|---|
 Miki Yeung Oi-GanKoey | Koey |
 Sam LeeWilly | Willy |
| HHung Chin-MingSimon | Simon |
 Winston Yeh Ying-WenUncle Kee | Uncle Kee |
 Teresa Lee FungSimon's mom | Simon's mom |
| CChan Chun-LukKoey's great-grandmother | Koey's great-grandmother |
| WWong Ka-YanIvy | Ivy |
| CChan Pak-LeiJoe | Joe |
| CCheng Wai-SiCeci | Ceci |
| AAngelina KwanKiki | Kiki |
| CChang Gwan-WaiBee | Bee |
| CChang Hou-IanHoo | Hoo |
| YYuen Kwok-WingHo | Ho |