The video showcases a vibrant and colorful underwater scene. The main focus is on a large, purple jellyfish with tentacles that are glowing in various colors. The jellyfish is surrounded by smaller jellyfish and other sea creatures, all of which are also glowing. The background is a warm orange color, and there are small bubbles and particles floating around, adding to the underwater ambiance. The jellyfish move gently and gracefully, creating a calming and mesmerizing effect.