In 1920, country girl Mathilde is living in Brittany with her aunt and uncle when she learns that her fiancé Manech was one of five French soldiers condemned to a barbarous death by their own side. Court-martialed for intentionally wounding themselves, their punishment is to be thrown into no man's land, unarmed and with their hands tied behind their backs. But Manech may have survived. Hiring a dogged old bird of a private detective and a lawyer...