Alex Yung Tin Yau

In a high-stakes corruption case, ICAC Principal Investigator Kong Kin-chau edges closer to the truth within a listed company. Chief Investigator Szeto Kai-man and Assistant Investigator Ting Sum go undercover as a father-daughter duo to gather evidence against a construction firm, while Firearms Team member Chui Ho-nam and Assistant Investigator Chung Hau-ling help secure crucial intel. Meanwhile, Senior Investigator Ng Hok-bun exposes corruption within the prison system. Despite differing views and setbacks, the team remains steadfast in pursuing justice in the secondary school engineering scandal.

As the co-founder of the Chinese law firm Donald & Co., Charles Cheuk, has been a chairman of its committee for many years. Though he had promised his managing partner KC Lau that he would step down, Charles hires the money-minded lawyer Kent Cheung as a new partner for the firm, hoping that he would be able to counterbalance KC’s growing obsession for authority.