The video shows a man wearing glasses and a green shirt sitting in front of a fish tank. He is holding a syringe and appears to be preparing to inject something into the tank. The fish tank has several fish swimming in it, and there is a reflection of the man and the fish tank in the glass. The man seems focused on his task, and the fish are calmly swimming around. The video is shot in a well-lit room, and the man's actions are deliberate and precise.