Watch Echelon of Doctor M for Free: How to Stream the Movie Online at 123Movies. . Continuing their exploits against the Yugoslav National Liberation Army, the Ballists attack an echelon of wounded warriors led by Dr. M. He takes the wounded to a nearby town. Aware that the justice is on the side of Doctor M., Ramadan, son of one of the Ballist leaders, joins him and contributes to defeat of the Ballists.