Overheard

As a major stock exchange in the world, Hong Kong attracts not only money but also many who try to manipulate the market. At the Hong Kong Police Force Commercial Crime Bureau, an operation is under way against insider trading involving Feng Hua International, a listed company. A man nicknamed the "Boss" is behind it all, and identified as the chief suspect.

The interception team at the Criminal Intelligence Bureau is sent in. Led by Inspector Leung Chun-Yi (Lau Ching-Wan), the team has veteran cop Yeung Jen (Louis Koo) and the young rookie Lam Yat-Cheung (Daniel Wu), They infiltrate Feng Hua International to install interception devices and start to monitor the company's phone traffic. Three cops become increasingly thrilled by the secrets they heard while conducting surveillance on a listed company, without knowing the blood and danger awaiting them.