After a text from her estranged mother rips her away from a night with friends, Penny is forced into a kaleidoscope of memories locked inside the dark labyrinth of her childhood home. As Penny wanders between present and past—prose and verse—she must confront her mother's opioid addiction to mend her fractured past. But the house is tricky. The house is impossible. It wants her to dig up the dead to escape. And as Penny walks through herself to find herself, she is not sure she has the courage to free the light she trapped inside.

Sydney Wells should have died. She was supposed to die. She never expected, after years of waiting, to receive a heart transplant. Now, seventeen-year-old Sydney doesn’t know what to do with her life. Her daily routine consisted of staying indoors, eating heart-healthy foods, and posting about her transplant list experiences on TheWaitingList with her long-distance BFF (and heart failure buddy) Chloe. Now, Sydney latches onto the one thing that gives her meaning: learning as much as she can about the person whose heart she inherited.

Evie is heartbroken and betrayed when a video of her confronting her cheating ex boyfriend goes viral, so what's a girl to do? Flee to London for the summer, of course! Evie loves everything about London—the double decker buses, afternoon tea, history around every corner. Everything that is but having to stay with the person who's hurt her most of all—her father.

Inesa lives with her brother in a half-sunken town where they scrape by running a taxidermy shop. Unbeknownst to Inesa, their cruel and indolent mother has accrued an enormous debt—enough to qualify one of her children for Caerus’s livestreamed assassination spectacle: the Lamb’s Gauntlet. Melinoë is a Caerus assassin, trained to track and kill the sacrificial Lambs. The product of neural reconditioning and physiological alteration, she is a living weapon, known for her cold brutality and deadly beauty.

Built by long-gone Saints, the city of Vaiwyn lives and breathes and bleeds. As a Keeper, Mina knows better than most what her care of Vaiwyn’s bells means for the sentient city. It’s the Strauss family’s thousand-year legacy—prevent the Vespers from ringing, or they will awake a slumbering evil. One afternoon, to Mina's horror, her bell peals thirteen times, shattering the city’s tenuous peace. With so much of the city's history and lore lost in a long-ago disaster, no one knows the danger that has been unleashed—until the city begins to fight back.