Nico, the son of Hades, and his boyfriend Will, the son of Apollo, travel to Tartarus, the deepest, darkest part of the Underworld as they attempt to rescue an old friend. As the son of Hades, Nico di Angelo has been through so much, from the premature deaths of his mother and sister, to being outed against his will, to losing his friend Jason during the trials of Apollo. But there is a ray of sunshine in his life-literally: his boyfriend, Will Solace,...

Even the love of her boyfriend, Xavier Woods, and her archangel siblings, Gabriel and Ivy, can't keep the angel Bethany Church from being tricked into a motorcycle ride that ends up in Hell. There, Jake Thorn bargains for Beth's release back to Earth. But what he asks of her will destroy her, and quite possibly her loved ones as well.