Virginia, March 17, 1862, Saint Patrick's Day. While members of the Irish Brigade - Northern soldiers from Ireland - celebrate their national holiday, Chesterfield is looking for this seed of Blutch deserter. But a soldier of the Brigade believes that he recognizes a cousin in the person of the Sergeant! With his red hair and his dirty character, Cornelius - pardon, "Corny" - would he be of Irish origin without knowing it? A revelation that will force him to make cornelian choices! Between exploration of an unknown historical fact - Irish commitment in the Civil War - and great comic adventure, LesTunis Bleues will surprise you again! Meet them in the company of the new duo formed by Willy Lambil and Kris, screenwriter as inspired as the late Raoul Cauvin for laughing at the absurdity of the war...