The war between Heaven and Hell has raged since the beginning of time. The Light's chief protectors, the seven Arc Angels, have all but disappeared in the battle to save the souls trapped in Purgatory: all except Gabriel.As The Light's last hope for glory, Gabriel begins his quest to put an end to the war and find his fellow Arcs, but it is his more personal journey through the beauty and depravity of human emotions that tests Gabriel's inner strength.