The video shows a close-up of a glass being filled with a red liquid. The liquid is poured from a bottle, and as it hits the bottom of the glass, bubbles form and rise to the surface. The glass is transparent, and the red liquid contrasts with the yellow background. The bubbles vary in size and speed, some rising quickly while others take their time. The video captures the action in slow motion, allowing the viewer to see the details of the bubbles and the flow of the liquid.