The video shows a person wearing a yellow shirt and black shorts swimming underwater. The person is wearing a black snorkel mask and has a black snorkel in their mouth. They are also wearing white fins on their feet. The water is a greenish-blue color, and the person is swimming near the bottom of the water, where rocks and plants can be seen. The person is moving slowly and gracefully, and at one point, they turn towards the camera and give a thumbs-up sign.