Mack Bolan, exhausted by the firestorm that is his life, decides to take a well-deserved R and R. But instead of some tropical resort, the Executioner plans to challenge natures whims in the depths of an Icelandic glacier. On a perilous trip beneath the polar ice cap, he makes a discovery to startling it is tantamount to an act of war. And the innocent vacation becomes a hunt — with Bolan as th...