Winter has gained control of her ally's assassins while a close friend has transformed into a dangerous foe. The only option left for the renegades is to leave the jungle where they now reside. Nevertheless, it's possible that Winter's most dreaded weapons aren't following her orders voluntarily. The outlaws arrive at the edge of a forest after following a bone, a nut, and a name whose significance is unknown. A forest so vast and uncharted that the majority of explorers who venture there never return. There is a secret here. They can free Winter's invisible slaves if they can locate it. Yet as they delve deeper, the sacrifices will only become harder.