Premise: Partisan is a 2015 Australian film directed by Ariel Kleiman. The film stars Vincent Cassel as Gregori, a cult leader. The feature marks Kleiman's directorial debut. Kleiman wrote the film with his girlfriend Sarah Cyngler. It premiered at the 2015 Sundance Film Festival.
Hypothesis: Kleiman's girlfriend, Sarah Cyngler, wrote the 2015 film Partisan on her own. It was then directed by Kleiman as his first directorial debut.