In the Line of Duty in order

In the Line of Duty is a series of girls with guns feature films produced by Hong Kong movie studio D & B Films which star, in the first two, Michelle Yeoh and, in subsequent instalments, Cynthia Khan as a police officer who combines use of firearms with martial arts. The third was the first to use the In the Line of Duty title, retroactively applied to the two Michelle Yeoh vehicles. 9 films, 13h 35m in all, in release order.

1. 1
   

   Yes, Madam!

   1985 · 93 min

   Two unlucky thieves break into a just murdered man's hotel room and steal his passport, with a hidden microfilm, wanted by a triad boss. Two ass-kicking women cops—one Chinese, one British—are on the case.

   Worth the Hype
2. 2
   

   Royal Warriors

   1986 · 96 min

   When a tough policewoman learns about a group of violent terrorists, she, along with her partner and a Japanese detective, does everything it takes to take them down.

   Worth the Hype
3. 3
   

   In the Line of Duty 3

   1988 · 84 min

   Genji Nakamura and his partner Michiko Nishiwaki are thieves for the notorious Red Army terrorist organization in Japan. After pulling off the jewelry heist of the century in which dozens of people get killed, they are now planning to use the jewelry they've snatched to buy an arms cache.

   New
4. 4
   

   In the Line of Duty 4

   1989 · 94 min

   Two detectives who are up to their necks in trouble and in each other's face, as they try to shut down a drug-trafficking scheme that could be connected with international ties to organized crime. But in the midst of their investigation, innocent immigrant dock worker Luk Wan-Ting gets caught up in the mix when he witnesses the murder of an intelligence operative and is framed for the crime.

   Worth the Hype
5. 5
   

   In the Line of Duty 5: Middle Man

   1990 · 90 min

   When he is framed for being a spy because of his friend's illegal activities, David must escape from police, CIA, and assassins with the help of his cousin.

   New
6. 6
   

   Forbidden Arsenal

   1991 · 87 min

   Hong Kong policewoman Yeung teams up with Taiwanese and Mainland officers to take down a gunrunning ring.

   New
7. 7
   

   Sea Wolves

   1991 · 90 min

   Madam Yeung is assigned to investigate a serial murder in a Philippine cargo ship anchored in Hong Kong.

   New
8. 8
   

   A Serious Shock! Yes Madam!

   1993 · 98 min

   In this action packed Hong Kong Yes Madam installment two friends in the police force are in love with the same man. After a certain incident one of them goes crazy and does everything she can to kill her former friend.

   New
9. 9
   

   Yes Madam 5

   1996 · 83 min

   A disc with the names of Triad members is taken away, and when the gangsters try and find about where it is, they kill the only person who knows the hiding-place. So, what can be done now to retrieve the disc? The Hong Kong police are looking for the murderer and the disc, but Inspector Yeung has to realize her fiancée Ho Chan is one of the gangsters! The trace of the disappeared disc leads to Malaysia, where the victim's girlfriend lives...

   New