IMDb5.9Play trailerPlay trailerThe Viral Factor·2012·2h 2m·Action, Crime, Thriller, Drama, MysteryAgent Jon contemplates leaving the force until he learns his brother is working as a mercenary for a former colleague who betrayed their team.Mark as watchedTop castView moreJay ChouJonNicholas Tse Ting-fungMan YeungLin PengRachelMichelle BaiIceAndy On Chi-kitSeanLiu Kai-chiMan TinCarl Ng Ka-lungRossSammy Hung Tin-chiuMark
