If the Elves from invade the Troll Tunnels a war that could threaten the elves way of life could begin. Yet a small elf child, the daughter of Gravid, leader of the Woodland Guard is missing, kidnapped by renegade trolls. Sarah and Cabal rush to stop the elves before it's too late. They must travel into the bowels of the earth to the Netherworld.
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Bash sacrificed everything to save his sisters life, including his freedom. After three years of parole, he's finally ready to start over. When he meets a young ski instructor named Grace, falling in love was the last thing he expected. Bash can see his future in her eyes, but his past won't let him go.
Accompanied by Hopper, the giant troll leader who's infant son was also taken, they escort Gravid into the depths of the earth to the realm where monsters are born. Their greatest chance of survival depends on the two netherbeasts that accompany them.
As they race to save the children Tom struggles against his wraith urges determined to keep his friends safe. Hopper fights to control his jealously of Sarah and Cabals growing relationship.
As darkness closes in will the team survive the horrors of the netherworld long enough to find the missing children? Will their heightened emotions tear the team apart and endanger all their lives? Will the two beasts they call friend on the surface remain their allies once surrounded by the seductive blackness of the netherworld? Traveling the netherworld always comes at a cost. Who will pay the price?