The video shows a man in a blue judo uniform walking on a mat in a gym. He is wearing a black belt and has a serious expression on his face. In the background, there are other people in white judo uniforms practicing. The man walks past a camera and a group of people sitting at a table. He then stops and looks at the camera, speaking to someone off-screen. The gym has a green and blue mat, and there are banners with Korean writing on them.