The back window, which is a combination of peeping, murder and love marriage, is a model of Hitchcock's later works. They, the enchanting beauty, the hidden gentleman, also carefully directed a plot in the same chamber. The dark night attracted them not only to each other's tenderness, but to the mysterious light in the bottom of their hearts. It encourages them to cooperate and separate. When the match broke through the darkness, everything was destroyed by the jewellery that glittering in the night. As early as peeping and peeping, they found that what really attracted them was jewelry.