In the video, a young boy is standing in a kitchen and is seen brushing mustard on a piece of meat. He is using a brush to apply the mustard evenly on the meat. The kitchen appears to be well-equipped with various utensils and appliances. The boy seems to be focused on his task, making sure that the mustard is spread evenly on the meat. The lighting in the kitchen is bright, and the walls are painted in a light color. The boy is wearing a casual outfit, and there is no one else visible in the video.