In the video, a black cat is seen standing on a step stool in front of a window. The cat is trying to reach something on the window sill, but it is too high for the cat to reach. The cat then jumps off the stool and tries to reach the window sill again. The cat is persistent and keeps trying to reach the window sill, but it is unable to do so. The video captures the cat's determination and persistence in trying to reach the window sill.