Never Ending Train (2005)

Railway Security officers Shek Fung and his female counterpart Lau Ching ran into their old friends Cheung Hung Wai and Li Ting while carrying out their duties on board a train. As it turned out, Cheung Hung Wai is a dangerous criminal and is being chased Train Police Officers Shuet Mui and Cheung Siu Man. Meanwhile, Railway Security Bureau Chief Chow Chung Lam has drawn up a wonderful plan to catch the criminals, Shek Fung and Li Ching as undercover agents. Shek Fung now knowing Cheung Hung Wai being a wanted criminal with a briefcase full of explosives in his possession immediately ordered the train to be stopped. The two had a fight and in the midst of the argument, Shek Fung was shot whilst Li Ting was arrested however Cheung Hung Wai escaped on board the train....