In the video, a white dog is seen swimming in the water with a tennis ball in its mouth. The dog is wearing a collar and appears to be enjoying itself as it swims towards the camera. The water is calm, and the dog is the only visible object in the frame. The dog's fur is wet, and it seems to be a sunny day. The tennis ball is bright green and contrasts with the dog's white fur. The dog's eyes are focused on the camera, and it seems to be smiling. The video captures the playful nature of the dog and its love for playing with the tennis ball.