The video shows a group of jellyfish in a dark room with blue lighting. The jellyfish are moving around and pulsating, creating a mesmerizing and hypnotic effect. The blue lighting highlights the jellyfish's tentacles and bodies, making them appear almost ethereal. The jellyfish vary in size, with some appearing larger and more prominent than others. The room is otherwise dark, allowing the viewer to focus solely on the jellyfish. The video does not contain any other objects or people, and there is no discernible sound.