In the video, a person is seen cooking mussels in a pan on a stove. The person uses tongs to stir the mussels, which are black and white in color. The pan appears to be made of metal and is placed on a gas stove. The person is wearing a plastic glove on one hand while cooking. The mussels are being cooked in a white sauce, and steam can be seen rising from the pan. The person is continuously stirring the mussels to ensure they are cooked evenly.