In the video, there are two rats of different colors. One rat is white and the other is brown. They are both inside a cage. The white rat is sitting on top of the brown rat. The brown rat is lying down on a yellow blanket. The white rat is moving its paws on the brown rat's back. The cage is made of metal bars and there is a green blanket hanging from the top. The white rat is biting the brown rat's neck. The brown rat is trying to get up but the white rat is holding it down. The white rat is also biting the brown rat's ear. The brown rat is struggling to get away but the white rat is too strong.