The video shows a man wearing a swimming cap and goggles swimming underwater in a pool. He is surrounded by a group of children who are also swimming. The man is smiling and appears to be enjoying himself as he swims alongside the children. The water is clear and blue, and the pool is well-lit. The children are wearing swimsuits and goggles, and they are all moving around in the water. The man and the children seem to be having a good time as they swim together.