In the video, a person is seen washing a dog's hair in a sink. The person is using their hands to lather up the dog's hair with shampoo and rinse it off. The dog appears to be cooperative and is not struggling during the process. The sink is filled with water, and the person is using their hands to scrub the dog's hair thoroughly. The dog's fur is dark in color, and it seems to be a medium-sized breed. The person is wearing a ring on their left hand, and the lighting in the room is dim.