Rosa (Chinese: 神勇雙響炮續集) is a 1986 Hong Kong action comedy film directed by Joe Cheung and starring Yuen Biao, Lowell Lo, Luk Siu-fan, Kara Hui and Paul Chun.

Ha, nicknamed "Little Monster" (Yuen Biao), is an elite member of the Criminal Investigation Division (CID) of the Royal Hong Kong Police Force.

One time while arresting a criminal, Ha accidentally humiliates Chief Inspector Tin (Paul Chun), who is demoted as a result.

Lui Kung (Lowell Lo), another CID officer, causes Tin's wife to give birth prematurely in a car accident while chasing criminals.

Later, Ha and Kung work together to capture Lee Wai-fung (Charlie Cho), a former undercover cop who has gone rogue and becoming the biggest drug trafficker in Asia.