When 18 year old David Levi is arrested together with his father and friends and deported from their home in Palestine by the Turks, none of them knows what the future holds. But their spirits soar when they are offered the chance to enlist with the newly formed Zion Mule Corps, a service unit of Jewish soldiers commanded by the legendary ex-Russian war hero Joseph Trumpeldor. Their orders: to help the British army in its WWI Gallipoli offensive.