A tough Hong Kong policewoman (Michelle Yeoh) discovers the existence of a band of violent terrorists. She enlists the aid of her partner — who is in love with her — and a visiting Japanese detective to put the terrorists out of business., A policewoman tries to stop villains with the help of a flight security agent and Japanese agent., Policewoman Michelle Yeoh goes after revenge-seeking villains with the help of Michael Wong and Japanese agent Henry Sanada., When hijackers attempt to carry out a successful hijacking mission, it will take more than one officer of the law to stop them., When hijackers attempt to carry out a successful hijacking mission, it will take more than one officer of the law to stop them. To derail their mission and thwart their attempt, it takes the work of a policewoman, a security guard and an Interpol agent from Japan. These three heroes work together, executing a strategy that will ultimately lead to one goal, i.e., keeping everyone safe.