The story tells the story of a collusion between Hong Kong police and criminals in 1973, under the instigation of the British, they embezzled huge profits and poisoned the citizens. The Governor of Hong Kong established the Independent Commission Against Corruption (ICAC).

As a director faces a series of setbacks in life including debt and divorce, his elderly father suddenly regains his youth.

The beautiful yet naive Jasmine has second thoughts about her arranged marriage with the most eligible bachelor in town because she is secretly in love with the dog-loving math prodigy Fong. One night, she is attacked on her way home. She wakes up and finds herself trapped in a room and tied to a bed naked. She was raped but managed to escape, and this leads to murderous outcomes.

A suspect is killed while the ICAC team is investigating illegal soccer gambling in Hong Kong.

A car crash sparks a war between local police and an international terrorist organization.