Training the young battalion for the trials he know will come, Jack's unit is assigned to Afghanistan, to a war created by Russian interference and British politicians. As the Amir of Afghanistan, Sher Ali, objects to the invasion, the British invade in three columns, with Jack's 113th joining a group led by General Roberts.
Between bloody battles, treacherous spies and friends who may be on either side, Jack must guide his men through a morass of dangers. But can he succeed and return home safely, or will he never see his wife Mary again?