In the video, a person is seen holding a glass bottle filled with a dark liquid. The person then proceeds to pour water into the bottle, causing the liquid to mix and create a lighter color. The person continues to pour water until the liquid reaches the top of the bottle. The background shows a kitchen counter with various items such as a coffee maker and a knife block. The person's movements are deliberate and careful as they pour the water, ensuring that the liquid is evenly mixed.