The video shows three people swimming underwater in the ocean. They are all wearing snorkeling gear and appear to be enjoying themselves as they explore the underwater world. The water is clear and blue, and the sunlight is shining through, creating a beautiful and serene atmosphere. The swimmers are moving slowly and gracefully, with their arms and legs gently propelling them forward. The camera captures their movements from different angles, providing a sense of the vastness of the ocean and the freedom of the swimmers.