The video shows a group of people swimming underwater. The water is clear and blue, and the swimmers are wearing scuba gear. They are moving slowly and gracefully, with their arms and legs kicking gently to propel them forward. The sunlight filters through the water, creating a beautiful and serene atmosphere. The swimmers are surrounded by schools of fish and coral reefs, adding to the beauty of the scene. The camera captures the swimmers from different angles, providing a comprehensive view of their underwater adventure.