In the video, a man is kneeling on the ground in front of a group of children who are standing in a line. The man is wearing a black and red jacket with a black belt around his waist. He is speaking to the children, who are wearing white karate uniforms with red and blue logos on the back. The children are attentively listening to the man, who is pointing at them and giving instructions. The room they are in has green walls and a wooden floor.