来自乡村的年轻人「飞（柯震东饰）」独自一人来到城市，为了赚钱抚养家人成为性工作者，后来与同行的前辈「晓来（林哲熹饰）」成为恋人，但两人在一场意外后断了音讯。时隔五年，飞的同事纷纷出于家庭与社会压力而离开，唯有飞选择留在城市与同乡男友龙继续打拼，却与已结婚生子的晓来不期而遇。

Every year, 310 killings in France go unsolved, leaving the victims' crushed families in a state of endless grief. The French judicial system is implacable: there's no money to continue investigating cases that lead nowhere. Hunting down