Stark's constant, reckless charging has once again depleted the 22nd Cavalry. Faced with an understandable dearth of volunteers, the Army's brass drafts - without telling them - some freshly arrived immigrants. And Blutch and Chesterfield are tasked with instructing them in the art of riding down the enemy. But there's a problem: the new recruits only speak Russian! And while those Cossacks are already fantastic riders, they have no desire to die for the glory of the Union...