In the video, a man is standing in front of a fish tank. He is wearing a pink shirt and is holding a piece of string. He is demonstrating how to tie a knot in the string. The man is speaking and using his hands to show the process of tying the knot. The fish tank in the background has some rocks and water in it. The man's movements are deliberate and clear, making it easy to follow along with the instructions. The video is shot in a well-lit room, and the focus is on the man and his actions.