In the video, a brown and white puppy is seen walking down a set of stairs. The puppy appears to be a young Saint Bernard, with a white chest and brown fur on the rest of its body. The stairs are wooden and there is a black object on the floor at the bottom of the stairs. The puppy cautiously steps down, placing its front paws on the next step before slowly lowering its hind legs to join them. The puppy's tail is wagging, indicating that it is happy and enjoying the activity. The video captures the puppy's movements as it descends the stairs, showcasing its playful and curious nature.