Andy Lau

Ho Sau, an undercover agent, has been working with Yau, a drug lord, for years, but his job and family are in trouble.

While Yeung Kam Wing is trying to remove all connections between the mob and him, his actions are being carefully observed by Lau Kin Ming, who bears a personal grudge against him.

Tough Chinese detectives go on a mission to Moscow to hunt down ruthless robbers who have been plaguing the trans-Siberian railway with violence and chaos.