In the video, a small, black mouse is seen walking along a wooden ledge. The mouse is moving back and forth, exploring its surroundings. The background is blurred, but it appears to be a room with a pink object and a blue object. The mouse is the main focus of the video, and its movements are the primary action. The wooden ledge is a light brown color, and the mouse's fur is a deep black. There are no other visible objects or creatures in the video.