The video shows a group of people in a martial arts class. They are all wearing white uniforms and sitting on the floor. The instructor is standing in front of them, and they are all looking at him. The instructor is holding a red belt and is talking to the students. The students are listening attentively and seem to be focused on what the instructor is saying. The room is well-lit, and there are mirrors on the wall. The students are arranged in rows, and the instructor is standing in the front.