Laughing Gor - Qian Zui Fan

Laughing Gor, a former station sergeant of the Criminal Intelligence Bureau, is sentenced to life imprisonment after murdering gang lord Michael So. In prison, he meets Fok Tin Yam, a university professor and criminal psychologist who is revealed to be a mastermind manipulating corrupt cops. As Laughing tries to uncover the truth, Fok's agenda becomes apparent, and the two form an unlikely alliance to unravel the web of corruption.