In this prequel to the original, a bloody power struggle among the Triads coincides with the 1997 handover of Hong Kong, setting up the events of the first film.
Police inspector and excellent hostage negotiator Ho Sheung-Sang finds himself in over his head when he is pulled into a 72 hour game by a cancer suffering criminal out for vengeance on Hong Kong's organized crime syndicates.
When a terrorist who specializes in explosives takes hold of an underground tunnel, he threatens to kill hostages if his demands are not met.
