A group of tired commuters have caught the last train home, ready to hop into their beds for the night. However, their train soon veers off-course and crashes into an abandoned tunnel. The three surviving commuters; withdrawn mother Yi Ling, her son Lucas, and student Janice, are forced to band together and survive the night, as well as avoid the mysterious monster hunting them. Yi Ling still suffers from flashbacks to the car accident that killed her husband and nearly took Lucas` life too. When Lucas is snatched away by the monster, her maternal instincts are tested, and Janice`s ideas of family are challenged as she remembers her difficult relationship with her estranged father. Back at the subway control headquarters, the engineers do their best to make sense of the situation and rescue the survivors.

新加坡本地导演罗胜的女性复仇情色电影三部曲中的第二部，延续重口味，激情与血腥程度不算惊人，却也足以形成话题。妓女米亚（陈姿邑饰）被烧腊店老板全（冯推守饰）赎身后以身相许，但两人之间日久激情不再。看着米亚招惹前来吃烧腊饭的熟客似“眼睛吃冰淇淋”，因为性无能而无法渲泄的全，越发愤怒。米亚办理母亲的丧事时认识了年轻棺材佬（伍洛毅饰），逐渐开始在情郎身上寻求慰藉……

一群疲惫的上班族搭上了最后一班回家的火车，准备上床睡觉。然而，他们的火车很快就偏离了轨道，撞进了一个废弃的隧道。三名幸存的通勤者;孤僻的母亲奕玲、她的儿子卢卡斯和学生珍妮丝被迫团结起来，度过黑夜，同时躲避神秘怪物的追捕……