The video shows two cartoon characters, one with spiky hair and the other with a round head, both wearing blue overalls. They are in a tunnel with a metal railing. The spiky-haired character jumps onto the railing and begins to walk along it. The round-headed character follows and tries to climb the railing as well. The spiky-haired character falls off the railing and lands on the round-headed character, causing them both to fall to the ground.