Chik Chi Ming is promoted to senior inspector after solving a major case while in prison. However, he learns that his old friend, Sai, who was released and has returned to a life of crime. To help him reform, Chik arranges for Sai to go undercover in a notorious gang. Sai earns the trust of the gang leader’s mistress and becomes her driver, but discovers her affair.
Unfortunately the movie The Undercover is not yet available on HBO Max.
| Directing | Lee Lik-Chi | Director |
| Writing | Lee Lik-Chi | Writer |
