Ten years ago, doomed explorers exterminated the merciless leader of a group of subterranean beings, releasing the earth from the terror inflicted from within the nightmare of tunnels and rivers deep below its surface. Linguist Ali von Schade is the only survivior of an expedition that seemingly obliterated this primodial underworld. But now, ferocious beings are stealing children and it is clear that Satan is not dead, and that Ali is the only one who can stop him. "A nail-biting thriller..." Sequel to The Descent.