Princess Lira is siren royalty and the most lethal of them all. With the hearts of 17 princes in her collection, she is revered across the sea. Until a twist of fate forces her to kill one of her own. To punish her daughter, the Sea Queen transforms Lira into the one thing they loathe most - a human. Robbed of her song, Lira has until the winter solstice to deliver Prince Elian's heart to the Sea Queen and or remain a human forever.

Alessandra is tired of being overlooked, but she has a plan to gain power: 1. Woo the Shadow King. 2. Marry him. 3. Kill him and take his kingdom for herself. No one knows the extent of the freshly crowned Shadow King’s power. Some say he can command the shadows that swirl around him to do his bidding. Others say they speak to him, whispering the thoughts of his enemies. Regardless, Alessandra knows what she deserves, and she’s going to do everything within her power to get it. But Alessandra’s not the only one trying to kill the king.

Thirteen years fleeing witch hunters and the looming threat of death. Nineteen-year-old Remy knows she is possibly the last red witch alive, and she is determined to stay that way. The Northern Court King has slaughtered her home court and placed a bounty on red witch heads. When four fae warriors enter her tavern refuge, Remy tries to flee, but her magic isn’t strong enough to stop a fae prince on a mission.

Brie hates the Fae and refuses to have anything to do with them, even if that means starving on the street. But when her sister is sold to the sadistic king of the Unseelie court to pay a debt, she'll do whatever it takes to get her back—including making a deal with the king himself to steal three magical relics from the Seelie court.

The year is 1926, and Shanghai hums to the tune of debauchery. A blood feud between two gangs runs the streets red, leaving the city helpless in the grip of chaos. At the heart of it all is 18-year-old Juliette Cai, a former flapper who has returned to assume her role as the proud heir of the Scarlet Gang - a network of criminals far above the law. Their only rivals in power are the White Flowers, who have fought the Scarlets for generations. And behind every move is their heir, Roma Montagov, Juliette's first love, and first betrayal.