Annaleigh lives a sheltered life at Highmoor with her sisters and their father and stepmother. Once there were 12, but loneliness fills the grand halls now that four of the girls' lives have been cut short. Disturbed by a series of ghostly visions, Annaleigh becomes increasingly suspicious that her sister's deaths were no accidents. The girls have been sneaking out every night to attend glittering balls, dancing until dawn in silk gowns and shimmering slippers, and Annaleigh isn't sure whether to try to stop them or to join their forbidden trysts.

Mars has always been the lesser twin, the shadow to his sister Caroline's radiance. But when Caroline dies under horrific circumstances, Mars is propelled to learn all he can about his once-inseparable sister who'd grown tragically distant. Mars's genderfluidity means he's often excluded from the traditions—and expectations—of his politically connected family. This includes attendance at the prestigious Aspen Conservancy Summer Academy where his sister poured so much of her time. But with his grief still fresh, he insists on attending in her place. 

It's Zinnia Gray's 21st birthday, which is extra-special because it's the last birthday she'll ever have. When she was young, an industrial accident left Zinnia with a rare condition. Not much is known about her illness - just that no one has lived past 21. Her best friend Charm is intent on making Zinnia's last birthday special with a full sleeping beauty experience, complete with a tower and a spinning wheel.

For Ning, the only thing worse than losing her mother is knowing that it's her own fault. She was the one who unknowingly brewed the poison tea that killed her - the poison tea that now threatens to also take her sister, Shu. When Ning hears of a competition to find the kingdom's greatest shennong-shi - masters of the ancient and magical art of tea-making - she travels to the imperial city to compete. The winner will receive a favor from the princess, which may be Ning's only chance to save her sister's life.

Illustros is a cursed realm ruled by the ruthless Gods of Fate, and no one understands the Fates' wrath more than Calliope Rosewood. Blessed with unspeakable powers that terrify even the most dangerous witches and fae, Calla hides her forbidden magic in shame and fear that one wrong touch could send her to her death.