In the midst of a fierce storm, a carriage carrying Sir John Mayfield, Lady Marianna Mayfield, and her lady's companion careens off a narrow cliff road, changing their fates forever. When the wreckage is found, Sir John is gravely injured, and a woman is discovered unconscious wearing a valuable ring. As the woman regains consciousness in a strange house, she grapples with fragmented memories of the accident, unsettling dreams of a child in peril, and a deep mystery tied to the ring on her finger.

It is 1901 when clockmaker and brilliant tinker Sydney Forrester inherits Blakely House, the eclectic estate of an estranged uncle she's never met. The well-known but mysterious industrialist has left behind a stunning array of peculiar inventions—and a couple of nephews intent on removing this interloper from the estate. Convinced that Sydney has something to do with their uncle's death, the late master's nephews contest the will and work against their cousin at every turn.

Haunted by the death of her sister, Finola Shanahan has resolved that she's not worthy of a family of her own and commits to spending her days caring for immigrants in the slums. Unwilling to consider marriage, Finola has perfected the ability to sabotage the relationships her parents arrange for her. At wit's end, her father calls upon the local Irish matchmaker, who pairs her with successful wagonmaker Riley Rafferty.

In 1888 Mary Edwards Gerritse is a witty and confident young woman who spends as much time as possible outdoors on the rugged Oregon coast where she and her husband, John, have settled. The two are a formidable pair who are working hard to prove their homesteading claim and build a family. But as Mary faces struggles of young motherhood and questions about her family of origin, she realizes that life is far from the adventure she imagined it would be.

Libby has been given a powerful gift: to live one life in 1774 colonial Williamsburg and the other in 1914 Gilded Age New York City. When she falls asleep in one life, she wakes up in the other without any time passing. She has one conscious mind but two very different lives and bodies.

Dinah Kendall's role in the US capital for the Office of Strategic Services is far from the thrilling espionage career she dreamed of. Instead of covert missions, she crafts rumors aimed at undermining Axis morale while trying to live up to the expectations of her demanding mother, Lillian. Yet, as Dinah navigates her duties, she uncovers a startling revelation: Lillian was once a codebreaker, breaking military ciphers during the Great War alongside some of the nation's most brilliant minds.

Though the century began with such promise, it is 1910 when Mira Dean’s hopes of being a wife and mother are dashed to pieces. Her fiancé dead from tuberculosis, Mira resigns herself to being a spinster schoolteacher—until Gordon Covington shows up. No longer the boy she knew from school, Gordon is now a preacher who is full of surprises. First, he asks Mira to come to Sourwood in Eastern Kentucky to teach at his mission school. Second, he asks her to marry him. Just like that.

A battered woman awakens atop a forgotten gravesite by Lake Superior's southern shore. Identified only by the locket around her neck inscribed with the name Rebecca, she seeks refuge with an elderly lighthouse keeper. But as Rebecca struggles to remember who she is, she finds herself haunted by the lingering memories of Annabel, a mysterious woman who perished in the lake's unforgiving waves years earlier. With the spirit of Annabel seemingly reawakened, and an unknown adversary on the hunt to silence Rebecca once and for all, more is at stake than reclaiming her own memories.

In 1875 California, Brody MacKenzie arrives at Two Hearts Ranch on a mission to find his runaway brothers, worried they may have fallen into harm. Instead, he finds them thriving at the ranch's school and orphanage under the care of Ellie Hart, a woman with a heart as resilient as the land she calls home.

On the outskirts of London sits a seemingly innocuous institution with a secretive aim—train young women to distract, disrupt, and discredit the patriarchy. Outraged by a powerful politician’s systematic attack on women’s rights, the Academy summons its brightest—and most bitter—pupil to infiltrate the odious man’s inner circle. A deal is struck: bring down the viscount, and Miss Euphemia Flite will finally earn her freedom.