「在一塵不變的世界裡，不斷追逐的是什麼？」清潔者與灰塵的對立關係，引發成一場奇幻、不協調的追逐戰。旁人眼中的清潔者就如同強迫症患者，不論在哪裡都不斷地吸取永無止盡的灰塵。就算是渺小的灰塵，在累積追逐中，也會變得無法負荷而爆炸。而爆炸伴隨從上面黑色世界到下面白色世界的轉化過程，清潔者的心境也跟著不有所不同。
In a dust-free world, what are the cleaners chasing? The antagonistic relationship between cleaners and dust has led to a fantastic and unpredictable chase. In the eyes of others, the cleaners are like obsessive-compulsive patients, constantly vacuuming the dust no matter where they are. Even a tiny amount of dust can explode in a cumulative chase, and the explosion makes the background transit from the black world to the white, and the mood of the cleaners also changes.
