Jackie Chan stars as a hardened special forces agent who fights to protect a young woman from a sinister criminal gang. At the same time he with feels a special connection to the young woman, like they met in a different life.

Wanted criminal "Helios" and his assistant stole a quantity of uranium and plan to produce weapons of mass destruction. They are planning to trade with a terrorist organization in Hong Kong. Chief Inspector Lee Yinming and Inspector Fan Kaming lead the Counter Terrorism Response Unit of the Hong Kong Police Force. Along with a Chinese senior official, a physics professor, and two South Korean weapon experts, they hope to defuse a crisis sufficient to destroy the world.

A writer for writing material, search to an antique shop boss called Wu Xie, and Wu is preparing to leave the city. Before he left, wu told about his strange tomb-raiding family stories, and spoke for the first time with the family adventure of bizarre events. That an occasional access to their family because a special bronze ware, traced back, found buried in the basin of northwest China west country, they recruited a batch of grave robbers to ancient city ruins, into the queen's mausoleum is located in the ancient city of underground, found the king mu and the queen asks the immortal truth. Writer after hearing the story of Wu, only to find that there are a lot of doubt, Wu had said that this was his fantasy, or is it a terrible truth that is more complicated. A truth that Wu left that became the eternal mystery of Wu.

Picking up some time after the events in the first movie, Sean Lau is now the Commissioner of Police after the successful rescue operation. However, things turn bad when his wife and daughter are kidnapped. Sean has to seek help from former rival and retired DCP, Waise Lee, to return to his job to help save Sean`s wife and child.

No sooner is a team at ICAC set up to investigate irregularities/corruption in soccer/football official gaming/betting in Hong Kong before a suspect is assassinated.