An undercover agent is assigned by his corrupt chief to infiltrate a rival department and sabotage their investigation of counterfeit currency. What he discovers is the counterfeiter's real plan. To overthrow the capital. Not by flooding it with funny money, but with an army of undead.
Unfortunately the movie The Four is not yet available on HBO Max.
| Directing | Gordon Chan | Director |
| Directing | Janet Chun Siu-Chun | Director |
| Directing | Kong Lingping | Assistant Director |
| Sound | Henry Lai Wan-Man | Original Music Composer |
| Camera | Lai Yiu-Fai | Director of Photography |
| Production | Gordon Chan | Executive Producer |
| Production | Abe Kwong | Producer |
| Writing | Frankie Tam Gong-Yuen | Writer |
| Writing | Gordon Chan | Writer |
| Writing | Maria Wong Si-Man | Writer |
| Editing | Chan Ki-Hop | Editor |
| Production | Gordon Chan | Producer |
| Production | Bruce Yu | Production Designer |
