Lt. Hanley and the squad are en route to meet a Capt. Boulange, the commander of the Free French Army in their sector. Their guide is a bear of a man named Massine, who has a small band of underground fighters traveling with him. Before Massine will lead Lt. Hanley to Capt. Boulange, he has an agenda of his own to accomplish. He forces Hanley to help him steal some explosives from the a German supply depot. Hanley doesn't want to do it, but has no choice.