Months after her mother passes away, artist Tillie Morrisey sees a painting in a gallery that leaves her inexplicably lightheaded and unsteady. When a handsome stranger comes to her aid, their connection is so immediate it seems fated, though Liam is only visiting for a few days. Working on her own art has always been a refuge, but after discovering a document among her mother’s belongings that suggests Tillie’s life has been a lie, she begins to suffer from a series of fugue states, with memories surfacing that she isn’t even sure are her own.

Everyone expects Billie Bridgerton to marry one of the Rokesby brothers. The two families have been neighbors for centuries, and as a child the tomboyish Billie ran wild with Edward and Andrew. Either one would make a perfect husband...someday.

Cornwall, 1730: A young girl known only as Red travels with her father making a living predicting fortunes using the ancient Cornish method of the Square of Sevens. Shortly before he dies, her father entrusts Red’s care to a gentleman scholar, along with a document containing the secret of the Square of Sevens technique.

Olivia Wilde has resigned herself to never finding a love match. Her father has insisted she marry a man with a title, if only to increase his own standing and reputation in society. But the men her father deems acceptable are, at best, boring and uninspiring, and at worse, are as brutish as her father and are only looking to increase their own diminishing coffers. With her future looking dismal, Olivia decides to enjoy the last few months of freedom with her childhood friends, including the handsome Emerson Latham.

On the day of Alec Salter’s fiftieth birthday party, his wife, Charlotte, vanishes. Most of the small English village of Glensted is at the party for hours before anyone realizes she is missing. While Alec brushes off her disappearance, their four children—especially fifteen-year-old Etty—grow increasingly anxious as the cold winter hours become days and she doesn’t return. Then Etty and her friend Morgan find the body of Morgan’s father—and the Salters’ neighbor— Duncan Ackerley, floating in the river.