Thalia's quest continues deeper into the Underworld as she searches for the healing water that can save Prince Marius, while her humanity slips away with each passing moment.
With Kassian as her guide, she must navigate the realm's most dangerous territories, from the torments of Tartarus to the shores of the River Styx, before she can return to the world above with a cure.
But when the world of the living witnesses what she has become to save the one she loves, Thalia must face whether the price of his survival was worth losing herself.
Heart-pounding adventure collides with impossible romance in this romantasy that will propel you to another world and keep you reading late into the night…