In the shadowy corridors of 1890s Paris, a military officer is wrongfully convicted of treason, igniting a firestorm of anti-Semitism and fracturing the nation. Roman Polanski directs this gripping historical thriller, where Jean Dujardin stars as Georges Picquart, a rising intelligence officer promoted to oversee the very spy agency that secured the conviction. Initially a loyal believer in the system, Picquart’s world is upended when he stumbles upon evidence suggesting the condemned man was innocent and the real traitor still walks free. As he doggedly pursues the truth, he finds himself pitted against the entire French military establishment, including former allies like the charismatic Major Henry, played by Louis Garrel. With paranoia thick in the air and his own career and safety on the line, Picquart enters a dangerous game of cat and mouse, where uncovering a conspiracy threatens to topple the very institution he swore to protect. This tense drama masterfully builds an atmosphere of claustrophobic suspicion, exploring the high cost of integrity in a society desperate for a scapegoat.