A revolver falls into the hands of series of characters from the bustling district of Mongkok to the mainland port city of Shenzhen.
| Directing | Lam Wah-Chuen | Director |
| Production | Andrew Lau Wai-Keung | Producer |
| Production | Andy Lau | Producer |
| Editing | Lam Wah-Chuen | Editor |
| Writing | Lam Wah-Chuen | Writer |
| Camera | Lam Wah-Chuen | Director of Photography |
| Directing | Kenneth Bi | First Assistant Director |
| Directing | Sammi Chan | Second Assistant Director |
| Writing | Lam Wah-Chuen | Story |
| Writing | Kenneth Bi | Story |
| Costume & Make-Up | Miriam Chan | Costume Design |
| Costume & Make-Up | Chuen Chum-Yuk | Costume Design |
| Sound | Lam Wah-Chuen | Music |
| Sound | Carlton Chu Hing-Cheung | Music |
| Sound | Kenneth Bi | Music |
| Production | Shirley Lau Yim-Ngo | Executive Producer |