 Towards the end of TVB series, Lives of Omission , “Laughing Gor” Michael Tse was sentenced to life imprisonment after murdering Bosco Wong's (黃宗澤) character.In prison, Laughing met Francis Ng (吳鎮宇), a university professor imprisoned for drug possession.Despite the professor's gentle and aloof exterior, he was a vicious, cold-blooded criminal.