Mosaic, an urban sketch artist suffering from motor neurone disease, meets an old school friend, Angelfish, at a class reunion. As his illness takes a tragic hold, he asks her to fulfil one wish - to be his girlfriend for just a day.
| Actor | Role |
|---|---|
 Charlene Choi Chuek-YinAngelfish | Angelfish |
 Wong Cho-LamMosaic | Mosaic |
 Kenny Wong Tak-BanMr Wong | Mr Wong |
 Eric Kwok Wai-LeungKen | Ken |
 Leung Ka-kiCherry | Cherry |
 Kathy Tong YeeJoyce | Joyce |
 Sunny Chan Kam-HungPaul Lau | Paul Lau |
| SStephen Tang Shu-WingMr Cheng | Mr Cheng |
| VVeda LeeNot listed | Not listed |
| FFaith LeeNot listed | Not listed |
 Michelle Wai Si-NgaNot listed | Not listed |
| SStone Lam Tsz FungNot listed | Not listed |