The video shows a person swimming in a pool with an otter. The person is wearing a snorkel and goggles, and the otter is swimming around them. The water is clear and the pool has a sandy bottom. The person and the otter are the only visible creatures in the video. The otter appears to be playful and curious, swimming close to the person and even climbing onto their back. The person seems to be enjoying the interaction with the otter, and the otter appears to be comfortable around them.