李莎（邓千夏 饰）和李莉（邓千夏 饰）是一对双胞胎姐妹，唯一的不同就是妹妹是一个盲人，做为姐姐的李莎一直也照顾着妹妹。一天姐姐李莎送给了妹妹李莉一个新的手杖，妹妹开心地出门试一试却并没有关门，就这样原本平静的生活迎来了一名不速之客——马森（Andy Ma 饰）。马森是一名通缉犯，溜进家里后被姐姐发现，马森打算杀人灭口，姐姐灵机一动装作盲人，希望蒙骗过关。而马森并没有立刻相信，两人的博弈就此展开。就在马森即将相信李莎真是一个盲人的时候，一个细节了改变一切。

Li Sha (starring Deng Qianxia) and Li Li (starring Deng Qianxia) are twin sisters. The only difference between them is that the younger sister Li Li is blind. As the elder sister, Li Sha has been taking care of her blind sister. One day, Li Sha gives a new walking stick to Li Li, who happily goes out to have a try without closing the door. As a result, Ma Sen (starring Andy Ma), an unexpected guest, breaks into their peaceful life. Ma Sen is a wanted man and, after sneaking into their home,discovered by the elder sister. He decides to kill her. In a flash of wit, she pretends to be blind, hoping to deceive him. But Ma Sen does not believe her immediately and the game between them begins. Just when Ma Sen is about to believe Li Sha is blind, a tiny thing changes everything.