The details of undercover police officers are deleted from a police database and a senior officer is left struggling to know who are the undercover officers and who are the criminals.
| Genre | : Aksi, Kejahatan, Drama |
| Sutradara | : 文偉鴻 |
| Pemeran | : 張家輝, 古天樂, 吳鎮宇, 佘詩曼, 許紹雄, 陳豪 |
| Rilis Resmi | : 01 January 2016 |