The dramatic conclusion to the Father of Lies' trilogy. Arthur Quinn is back in Kerry, having once again foiled Loki's evil plans for world domination. However, he knows that Loki is looking for his third and most deadly child, Hell's Keeper. Unable to stop Loki awakening this monster, Arthur finds himself erased from time. Saved by a mysterious force and sent back to Earth, he finds everything changed terribly. Without Arthur to stop him Loki has flooded the world and has rounded up its people into camps. In his third and most deadly adventure, Arthur knows he must defeat the Father of Lies permanently.