In the video, there is a boy in a swimming pool holding a watermelon. He is standing in the water and appears to be preparing to throw the watermelon. Behind him, there is a girl who is also in the pool. The boy then throws the watermelon, and it hits the girl in the head. The girl seems surprised and looks at the boy with a shocked expression. The boy then looks at the girl with a guilty expression. The pool water is blue, and the surroundings suggest that it is a sunny day.