To its supporters, the Al-Farouq Brigade of the Free Syrian Army is a leading unit in the fight to remove the Assad regime; to its critics, it is guilty of kidnappings and abuses.
Channel 4 features the work of French filmmaker Mani as he moves on the front line with the Brigade. A take-away line from a fighter, "It's not about the army anymore or toppling the regime. It's a sectarian conflict now."