In the video, a person is seen opening a mussel shell with a knife. The person is holding the mussel in one hand and the knife in the other hand. The mussel shell is brown and has a shiny surface. The person uses the knife to carefully cut along the edge of the mussel shell, and then opens it to reveal the inside. The inside of the mussel is visible, and the person's fingers are shown touching the inside of the mussel. The background of the video is a green grassy surface.