Partisan

Alexander, a boy who has been raised in a sequestered commune, finds that his increasing unwillingness to fall in line puts him on a collision course with Gregori, the society's charismatic and domineering leader.

Partisan is a 2015 drama movie directed by Ariel Kleiman, starring Esther Blaser-Tokarev, Vincent Cassel, Jeremy Chabriel. It holds an IMDb rating of 5.8/10 from 4,277 votes and runs 1h 34m.