The video shows a person using a wrench to tighten a bolt on a car engine. The person's hand is visible in the frame, and they are using the wrench to turn the bolt clockwise. The engine appears to be dirty and has various components visible, including the alternator and other engine parts. The wrench is silver and appears to be made of metal. The person's hand is steady as they turn the wrench, indicating that they are experienced in using tools. The video is shot from a close-up angle, focusing on the action of tightening the bolt.