This is a popular Russian social network that features a robust video hosting platform. Because users frequently upload full-length international films there, it has become a popular alternative hub for movie streaming.
I'm assuming you might be referring to a specific streaming or download platform (OK.RU) that offers the film with an "extra quality" option. OK.RU is a Russian online platform that offers various movies, TV shows, and music. If you're using this platform, the "extra quality" option likely refers to a higher video quality setting, such as HD or Full HD. down by love 2016 ok ru extra quality