A notorious fugitive known as "Helios" teams up with his accomplice to steal uranium, intending to manufacture weapons of mass destruction for a deal with a terrorist group in Hong Kong. Chief Inspector Lee Yinming and Inspector Fan Kaming head the Counter Terrorism Response Unit of the Hong Kong Police Force. Joining forces with a high-ranking Chinese official, a physics professor, and two South Korean arms specialists, they race against time to avert a catastrophic crisis that threatens global security. The stakes are high as they confront a looming disaster.