Racked with grief for his sister, Shintaro is nearly overcome by his desire for vengeance. His pain resonates with Ene, who has seen more than her share of hardship and suffering…and been swallowed by it. Whatever the cost, Ene is resolved not to repeat the mistakes of her past or allow her dearest friend to follow that road. As the losses compound, how will Shintaro cope with the very real threat slithering just one step behind him…?