When a terrorist who specializes in explosives takes hold of an underground tunnel, he threatens to kill hostages if his demands are not met.
Mari Hirakawa is a woman who inherits her father's karate dojo. However, she finds out that Chan Keung, her father's former student, is also its heir and they fight to determine its sole owner.
A vigilante serial killer in Hong Kong leaves ominous death notices, prompting the police to launch a special task force to uncover a hidden conspiracy.
