Village of the Lost - S1.E5

The team searches for a Romanoff icon with purported mystical properties, in a remote Russian village that apparently disappeared 11 years ago. Gabriel and Judson investigate but Russian Mafia shoot down their plane. They are taken in by the inhabitants of a mysterious fog-enshrouded village and their wounds are miraculously healed. The villagers are able to repel the Mafia types despite being unable to see their attackers.