In the story, the protagonist Jeff observes his neighborhoods’ life from the window. And he found that a devoted husband, Thorwald always waits on his ill wife, but Jeff doubts why the husband can keep his wife shut up in that hot apartment and never calls a doctor. One day, Jeff found that Thorwald’s behavior is weird. Thorwald lies in the living room but never falls in asleep. His glowing cigarette is a reminder of his wakefulness. Jeff realizes that Thorwald’s ill wife is dead and Torwald is the murder. So Jeff asks his Boyne to find out the evidence, but after perfunctory check, there is no evidence to show Thorwald killed his wife. Jeff doesn’t believe it and he finds another way to prove Thorwald as a killer. The whole story doesn’t tell us texplicitly why Jeff insists that Thorhald should be the murder. Jeff thinks Thorwald is a murder, and murder it is. Readers don’t have the opportunity to share Jeff’s journey of discovering. We don’t watch with him. We’re just told the fact and conclusion by Jeff’s view. Besides, our overlook and view towards Jeff’s neighbors is manly gaining from Jeff’s thought and view. Jeff seems to dominate the view of the other characters in the story except himself. And we don’t even know what Jeff’s injury is until the last page and we never learn more than his name. It looks like Jeff is a mysterious person throughout the story and his mystery is not revealed at the end of story.