An aspiring violinist and a professional translator live parallel lives and appear to be perfect for each other, but somehow fate seems to keep them apart. Living in different units of the same apartment building, they never meet, because when they leave, one turns left, and one turns right.
| Directing | Johnnie To | Director |
| Directing | Wai Ka-fai | Director |
| Writing | Jimmy Liao | Author |
| Writing | Wai Ka-fai | Writer |
| Writing | Yip Tin-Shing | Writer |
| Production | Chiu Chi-Shing | Unit Manager |
| Camera | Cheng Siu-keung | Director of Photography |
| Production | Johnnie To | Producer |
| Production | Wai Ka-fai | Producer |
| Production | Daniel Yun | Producer |
| Writing | Yau Nai-hoi | Writer |
| Writing | Au Kin-yee | Writer |
| Directing | Law Wing-Cheong | Second Unit Director |
| Camera | To Hung-Mo | Second Unit Director of Photography |
| Art | Raymond Chan Kam-Ho | Art Direction |
| Art | Bruce Yu Ka-On | Production Design |
| Costume & Make-Up | Steven Tsang Pak-Chuen | Costume Design |
| Costume & Make-Up | Stephanie Wong Ka-Bo | Costume Design |
| Editing | Law Wing-Cheong | Editor |
| Sound | Chung Chi-Wing | Music |
| Sound | Ben Cheung Siu-Hung | Music |