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.

On the remote isle of Rosevear, Mira, like her mother before her, is a wrecker, one of the seven on the rope who swim out to shipwrecks to plunder them. Mira’s job is to rescue survivors, if there are any. After all, she never feels the cold of the frigid ocean waters and the waves seem to sing to her soul. But the people of Rosevear never admit the truth: that they set the beacons themselves to lure ships into the rocks. When the Council watch lays a trap to put an end to the wrecking, they arrest Mira’s father. Desperate to save him from the noose, Mira strikes a deal.

Six hundred years ago, Nightweavers, cursed beings with untamed power, claimed the continents for their own. The ocean was meant to be a safe haven for humanity, including seventeen-year-old Aster Oberon and her pirate family. But after Aster’s brother is killed in an epic battle at sea against Nightweavers, Aster and her family are thrust into a new life on land.

Since the hurricane, the town of Mercy, Louisiana has been overtaken by a strange red algae bloom. Noon and her mother have carved out a life in the wreckage, trawling for the mutated wildlife that lurks in the water and trading it to the corrupt harbormaster. When she’s focused on survival, Noon doesn’t have to cope with what happened to her at the Cove or the monster itching at her skin.

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.