Alex Sawyer, juvenile offender,  has been captured, convicted and sent to Furnace, the world’s most secure youth penitentiary.  Furnace is located a mile beneath the earth’s surface; a place of pure evil guarded by giants in black suits and where deformed beasts roam the tunnels at night. The days in Furnace, though not as terrifying as the nights, are spent in hard labor and avoiding the ruling violent gangs.  Alex discovers that many of the youthful offenders were framed for their crimes and the only way to survive is to escape from Furnace.  So Alex hatches a plan.  This book does not disappoint!