Chief inspector of Hong Kong’s Criminal Intelligence Bureau, Cheuk Hoi, is suspicious of his close colleague’s mysterious death. Adding to the enigma, he discovers that the five undercover agents who were in constant contact with his dead friend have all vanished.
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Seasons
- Stagione 131 episodes · 2014
- Stagione 230 episodes · 2017
- Stagione 337 episodes · 2020
