In the video, a person wearing blue gloves is seen holding a syringe and injecting it into the skin of a black dog. The syringe is filled with a clear liquid, and the person is injecting it into the dog's skin with precision. The dog appears to be calm and cooperative during the process. The person's movements are steady and controlled, indicating that they are experienced in administering injections. The background is not visible, focusing the viewer's attention solely on the action of the injection.