The video showcases a cartoon monkey who is seen wearing a diving mask. The monkey is initially seen without the mask and then proceeds to put it on. After putting on the mask, the monkey begins to swim underwater. The monkey's movements are smooth and effortless as it navigates through the water. The background of the video is a serene blue, indicating that the setting is underwater. The monkey's actions are the main focus of the video, with no other characters or objects present.