The concept originating from a parental quarrel, the father broke all the floor-to-ceiling windows in the house at the critical point of his emotions, so the glass and crackling sounds became the main conversion symbols and sound in the work. The protagonist of the movie finds a group of photos in the drainage ditch at night (this group of photos is actually a picture of many broken floor windows on the Internet), and the process of watching carefully with a flashlight is like the meaning of staring at the photo It means a process of recalling memories, and because of the similar experience in the past, the main character of me and the film acted as a mutual mirroring of life, and in the sound of cracking glass, the remaining memories in the body were cut.