In the video, a person is seen cooking a vegetable soup. They are adding sliced mushrooms to the pot. The soup already contains broccoli, carrots, and onions. The person is using a wooden spoon to stir the ingredients in the pot. The soup appears to be simmering on the stove, and steam can be seen rising from the pot. The colors of the vegetables are vibrant, with the green of the broccoli, the orange of the carrots, and the purple of the onions standing out. The mushrooms add a brownish color to the mix. The person's movements are deliberate and careful, ensuring that the ingredients are well mixed.