The video shows a man swimming in a lake. He is wearing a black swimsuit and an orange swimming cap. The man is swimming with his head above the water, and he is moving his arms in a swimming motion. The background shows mountains and trees, indicating that the lake is surrounded by a natural landscape. The water is calm, and there are no other people or objects visible in the video. The man appears to be alone in the water, and he is the only focus of the video.