Billionaire Sergeant is a social deduction game for 4-6 players about the corruption of Hong Kong Police in the 1960 - 70s. You are one of the Royal HK Police Officer who has discovered that there are a group of corrupt police officers among you. They offered protection to vice, triad, gambling and drug activities in return of "Tea money". Will you step up, face against the criminals and protect the innocents? Or will you join their gangs, do their dirty works and take their bribes? The whole HK judicial system is up to you. What would you do, officer?