In the video, a person is seen using a wooden spatula to brush barbecue sauce onto chicken breasts that are cooking on a grill. The chicken breasts are already on the grill, and the person is applying the sauce to ensure they are well-coated. The grill appears to be outdoors, and the person is using a back-and-forth motion to spread the sauce evenly across the surface of the chicken. The sauce is a dark red color, and the chicken breasts are golden brown, indicating they are cooked. The person's movements are careful and precise, ensuring that the sauce is applied evenly.