During China's Warring States period, a district prefect arrives at the palace of Qin Shi Huang, claiming to have killed the three assassins who had made an attempt on the king's life three years ago.

Ilsa, a warden at a Nazi death camp that conducts experiments on prisoners, strives to prove that women can withstand more pain and suffering than men, and therefore should be allowed to fight on the frontlines.

Hong Kong cop Chan Ka-Kui returns, working with Interpol to track down and arrest an illegal weapons dealer. Chan later realizes that things are not as simple as they appear and soon finds himself to be a pawn of an organization posing as Russian intelligence.