The video shows a scuba diver swimming underwater with a large manta ray. The manta ray is seen swimming gracefully in the water, with its wings spread wide. The water is a deep blue color, and the manta ray's body is a dark gray color with white spots. The scuba diver is wearing a black wetsuit and is holding a camera, capturing the moment. The manta ray's size is impressive, as it appears to be several feet long. The video captures the peaceful interaction between the diver and the manta ray, as they swim together in the deep blue sea.