open the page containing the movie

open developer tools, network tab in firefox or similar in other browser

look for a file with type `application/octet-stream-m3u8`

copy url of that file and open/convert with ffmpeg: `ffmpeg -user-agent “Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3554.0 Safari/537.36” -i https://9qf7h9.vkcache.com/secip/0/4Hs_Qf-W3F20vgMAambiHg/ODYuMTI1LjI0OC4zNw==/1571410800/hls-vod-s9/flv/api/files/videos/2019/04/17/1555500423o6ar6 -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 movie.mp4`