The video shows a person wearing a glove cutting open a large fish with a knife. The fish is lying on a table, and the person is cutting it from the head towards the tail. The person uses a knife to cut through the fish's skin and flesh, revealing the inside of the fish. The person's hands are visible, and they are wearing a glove on one hand. The fish appears to be a large, silver-colored fish with a pinkish interior. The person is cutting the fish carefully and methodically, and the video shows the process in detail.