The mortal world and Netherworld collide in a twisted fight for power and freedom.

Still haunted by his fears for Alison and desperate to uncover the truth behind the hospital attack, John digs deeper into a mystery that grows more dangerous by the hour.

Meanwhile, realms away in the shadowed depths of the Netherworld, Alison fights to survive a place that was never meant to claim her, burdened by a destiny she never asked for.

With so much at stake, and mythological forces coming at them from all sides, will the two best friends find their way back to one another, before it's too late?