A tense WWI spy thriller in which Colonel Duncan Grant (British star Brian Aherne, in his first talking role), parachutes into Germany to gather intelligence on the enemy’s secret ‘W Plan’ and to assist Allied POWs in digging escape tunnels.
Production companies：
British International Pictures
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Overview：A tense WWI spy thriller in which Colonel Duncan Grant (British star Brian Aherne, in his first talking role), parachutes into Germany to gather intelligence on the enemy’s secret ‘W Plan’ and to assist Allied POWs in digging escape tunnels.
