Ging chat goo si 3: Chiu kup ging chat

Hong Kong policeman Chia Chu goes undercover in mainland China to bust a drug-smuggling ring and, with the help of undercover agent Jessica Yang, breaks the drug lord's brother out of prison to gain the trust of the syndicate. But when Chia accidentally runs into his girlfriend, May, his cover is blown, and he's forced to help the criminals pull off another jailbreak.