While in visiting Hong Kong to perform in a concert, a violinist from Mainland China got himself mixed up in a jewel heist and became a prime target of the robbers. As a result, he comes under protection by a tough and perfectionistic, yet hilarious female cop.
| Actor | Role |
|---|---|
 Lau Ching-WanMozart | Mozart |
 Teresa Mo Shun-KwanInspector Mo | Inspector Mo |
 Shing Fui-OnHitman | Hitman |
 Vivian Lai Shui-YanYan | Yan |
 Gabriel Wong Yat-ShanGrassy | Grassy |
 Woo FungInspector | Inspector |
 Billy Lau Nam-KwongKidnapper | Kidnapper |
 Law Kwok-WaiMozart's Boss | Mozart's Boss |
 Joey Leung Wing-ChungKidnapper | Kidnapper |
 Chan Tat-KwongThug | Thug |
 Paul Che Biu-LawNot listed | Not listed |
 Sze Kai-KeungNot listed | Not listed |