The video shows two people swimming underwater in a large tank. The tank is filled with water and has a metal frame with ropes hanging from it. The two people are wearing scuba gear and are swimming around the tank, exploring the underwater environment. The water is clear, and the light from above is shining through, illuminating the tank and the swimmers. The swimmers are moving gracefully, using their flippers to propel themselves through the water. The metal frame of the tank is visible in the background, and the ropes hanging from it add an element of adventure to the scene. The swimmers seem to be enjoying their time in the water, exploring the tank and each other.