The video shows a scuba diver in the ocean, swimming near a large manta ray. The manta ray is swimming gracefully in the water, with its wings spread wide. The diver is wearing a black wetsuit and a diving mask, and is holding a camera to film the manta ray. The water is clear and blue, and the sunlight is shining through the surface, creating a beautiful underwater scene. The manta ray is mostly black with some white spots on its wings, and it moves slowly and effortlessly through the water. The diver follows the manta ray, capturing its movements on camera.