At the dawn of their adolescence, on the eve of the summer solstice, four young girls—Helena, Leonie, Niamh and Elle—took the oath to join Her Majesty's Royal Coven, established by Queen Elizabeth I as a covert government department. Now, decades later, the witch community is still reeling from a civil war and Helena is the reigning High Priestess of the organization. Yet Helena is the only one of her friend group still enmeshed in the stale bureaucracy of HMRC.

All magic comes with a price, though, and for years the sisters have been separated. Esther has fled to a remote base in Antarctica to escape the fate that killed her own mother, and Joanna’s isolated herself in their family home in Vermont, devoting her life to the study of these cherished volumes. But after their father dies suddenly while reading a book Joanna has never seen before, the sisters must reunite to preserve their family legacy.

Yeeran was born on the battlefield, has lived on the battlefield, and one day, she knows, she’ll die on the battlefield. As a warrior in the elven army, Yeeran has known nothing but violence her whole life. Her sister, Lettle, is trying to make a living as a diviner, seeking prophecies of a better future. When a fatal mistake leads to Yeeran’s exile from the Elven Lands, both sisters are forced into the terrifying wilderness beyond their borders.

In the small mountain town of Jasper, North Carolina, June Farrow is waiting for fate to find her. The Farrow women are known for their thriving flower farm—and the mysterious curse that has plagued their family line. The whole town remembers the madness that led to Susanna Farrow’s disappearance, leaving June to be raised by her grandmother and haunted by rumors.

Nikolai Lantsov has always had a gift for the impossible. No one knows what he endured in his country’s bloody civil war - and he intends to keep it that way. Now, as enemies gather at his weakened borders, the young king must find a way to refill Ravka’s coffers, forge new alliances, and stop a rising threat to the once-great Grisha Army. Yet with every day a dark magic within him grows stronger, threatening to destroy all he has built.