Underworld

Seventeen-year-old Pierce Oliviera finds herself trapped in the Underworld, a shadowy realm between life and death, despite not being truly deceased. Her captor, John Hayden, insists he's protecting her from vengeful Furies seeking retribution against him and those he cares for. However, as Pierce navigates this perilous domain, she uncovers deeper dangers tied to the Underworld's ruler, making her escape seem increasingly impossible.