在昏暗的办公室，电脑屏幕闪烁，背影悄然无声，恐惧悄然袭来。爱爱电影

　　A workaholic with no time for anybody suddenly find himself trapped in his office. One night, he discovers that he can't find the front door. His phone stops working, and disappears. He starts to hear things and realizes he's not alone.