Hong Kong is the safest city in Asia and a famous global financial center. Its four core values are 'Finance, Real Estate, Education and Judiciary', which symbolize the supreme glory of this cosmopolitan city. Mo Yun, Hong Kong's Deputy Police Commissioner, managed to solve ten major unsolved cases in just three years, earning him the title of Hong Kong's bona fide detective. This time, he is about to face a challenge from a terrorist organization called 'FREE', which aims to impose sanctions on Hong Kong's four core values.
