In the video, a black dog is seen swimming in a lake with a duck in its mouth. The dog is moving towards the shore while holding the duck. The water is calm and there are some plants visible in the background. The dog appears to be a retriever breed, and the duck is white with a black head. The dog is wearing a collar, and there is a person standing on the shore watching the dog. The dog reaches the shore and drops the duck on the ground, which is still alive. The person on the shore claps and praises the dog.