Synopsis

Throughout World War I, the Allied and German forces relentlessly sought to overcome the grim deadlock of trench warfare. In the winter of 1916, Allied engineers conceived a daring surprise: a massive quantity of explosives – over a million pounds – concealed within secret tunnels driven beneath German lines. The construction of these tunnels was perilous work; the miners faced constant threats from flooding, cave-ins, and the relentless efforts of enemy digging teams. In June of 1917, the mines