It's 1922, you are a spy which have been ordered by the French government to spy on a "An nam" called Nguyễn Ái Quốc whom post newspapers criticising French colonial rule in Indochina, French Government might afraid of it might inspire many ethic minorities from French colonial territories to protest and can cause many revolution against their colonial rule. So, thats the reason they sent you to spy on him while you are spying on him you saw him sitting on the bench alone and smoking...