

44 minSeason 3 • Episode 37
LatestChief 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.
Acting
Michael Miu's exhausted integrity, Benz Hui's scene-stealing swagger
Writing
Triple-crosses that actually land
Production
Neon-drenched HK authenticity
Trivia, insights & behind the scenes
TVB's 2014 gamble on undercover procedurals revived the triad genre for streaming-era audiences across Southeast Asia.
The handshake code system—real HK police protocol or writers' room invention? Debate still rages in fan forums.