Rhode Island, 1846. Estranged from his family, writer Merritt Fernsby is surprised when he inherits a remote estate in the Narragansett Bay. Though the property has been uninhabited for more than a century, Merritt is ready to call it home—until he realizes he has no choice. With its doors slamming shut and locking behind him, Whimbrel House is not about to let Merritt leave. Ever.

1918. Stripped of her reputation and haunted by a spirit she failed to protect, the young governess Grace Meadows finds herself out of time and growing more and more desperate. But when she’s offered a strange job from an eccentric medium, she never could have imagined what she was signing up for. Tasked with caring for a troubled young girl who has lost the ability to speak, Grace must unravel the dangerous secrets at the heart of a run-down country mansion and find the source of the horrors which now threaten both of their lives.

1813. Lizzie's beloved older sister Esme is sold in marriage to the ageing Lord Blountford to settle their father's debts. One year later, Esme is dead, and Lizzie is sent to take her place as Lord Blountford's next wife. Arriving at Ambletye Manor, Lizzie uncovers a twisted web of secrets, not least that she is to be the fifth mistress of this house. Marisa. Anne. Pansy. Esme. What happened to the four wives who came before her? In possession of a unique gift, only Lizzie can hear their stories, and try to find a way to save herself from sharing the same fate.

England, 1925. Louisa Drew lost her husband in the First World War and her six-year-old twin sons in the Spanish Flu epidemic of 1918. Newly remarried to a war-traumatised husband and seven months pregnant, Louisa is asked by her employer to travel to Clewer Hall in Sussex where she is to photograph the contents of the house for auction. She learns Clewer Hall was host to an infamous séance in 1896, and that the lady of the house has asked those who gathered back then to come together once more to re-create the evening.

Present day. Fresh from her divorce, Millie Galton moves into a former inn overlooking the harbour in Mudeford and plans to create her dream home. When a chance discovery behind an old fireplace reveals the house’s secret history as a haven for smugglers and the devastating story of its former residents, could the mystery of a disappearance from centuries ago finally be solved?

Dorothea Truelove is young, wealthy, and beautiful. Ruth Butterham is young, poor, and awaiting trial for murder. When Dorothea's charitable work brings her to Oakgate Prison, she is delighted by the chance to explore her fascination with phrenology and test her hypothesis that the shape of a person's skull can cast a light on their darkest crimes. But when she meets one of the prisoners, the teenaged seamstress Ruth, she is faced with another strange idea.

When Eliza Sullivan inherits an estate from a recently deceased aunt, she leaves behind a grievous and guilt-ridden past in New Orleans for rural England and a fresh start. Eliza arrives at her new home and finds herself falling for the mysterious lord of Havenwood, Malcolm Winfield. Despite the sinister rumors that surround him, Eliza is drawn to his melancholy charm and his crumbling, once-beautiful mansion. With enough love, she thinks, both man and manor could be repaired.

When well-to-do Hester learns of her sister Mercy's death at a Nottinghamshire workhouse, she travels to Southwell to find out how her sister ended up at such a place. Haunted by her sister's ghost, Hester sets out to uncover the truth, when the official story reported by the workhouse master proves to be untrue. Mercy was pregnant—both she and the baby are said to be dead of cholera, but the workhouse hasn't had an outbreak for years. Hester discovers a strange trend in the workhouse of children going missing.

Born on a plantation in Charles City, Virginia, Pheby Delores Brown has lived a relatively sheltered life. Shielded by her mother’s position as the estate’s medicine woman and cherished by the Master’s sister, she is set apart from the others on the plantation, belonging to neither world. She’d been promised freedom on her eighteenth birthday, but instead of the idyllic life she imagined with her true love, Essex Henry, Pheby is forced to leave the only home she has ever known. She unexpectedly finds herself thrust into the bowels of slavery at the infamous Devil’s Half Acre.

London, 1915. As German bombs rain down on the East End of London and hungry children queue for rations in the blistering cold, 15-year-old Florrie is forced to grow up fast. With her father fighting in the muddy trenches, Florrie turns to her older sister Edith for comfort. But the war has changed Edith. She has grown quiet, with dark shadows under her eyes, and has started leaving the house at night in secret. When Florrie follows her sister through the dark and winding streets of London, she is shocked by what she discovers.

Chicago, 1923: Ten-year-old Dani Flanagan returns home to find police swarming the house, her parents dead. Michael Malone, the young patrolman assigned to the case, discovers there’s more to the situation—and to Dani Flanagan herself—than the authorities care to explore. Malone is told to shut his mouth, and Dani is sent away to live with her spinster aunts in Cleveland.

Growing up in New York City in the 1910s, Luella and Effie Tildon realize that even as wealthy young women, their freedoms come with limits. But when the sisters discover a shocking secret about their father, Luella, the brazen elder sister, becomes emboldened to do as she pleases. Her rebellion comes with consequences, and one morning Luella is mysteriously gone.

When journalist Ava Brent decides to investigate the dark mystery of Overtoun Estate — a "thin place", steeped in myth — she has no idea how dangerous this story will be for her. Overtoun looms over the town, watching, waiting: the locals fearful of the strange building and the secrets it keeps. When Ava starts to ask questions, the warm welcome she first receives turns to a cold shoulder. And before she knows it, Ava is caught in the house’s grasp too.

Orphaned Lucy St. John, described as "the most beautiful of all", defies English society by attracting the eye of the Earl of Suffolk. In 1609, the court of James I is a place of glittering pageantry and cutthroat ambition, when the most dangerous thing one can do is fall in love. Lucy's envious sister Barbara is determined to ruin her happiness and drives Lucy into exile from the court. Heartbroken, she has to find her own path through life, becoming mistress of the Tower of London and gaining a fortune through the patronage of the Duke of Buckingham.

Seduced by her employer’s son, Evangeline, a naïve young governess in early 19th-century London, is discharged when her pregnancy is discovered and sent to the notorious Newgate Prison. After months in the fetid, overcrowded jail, she learns she is sentenced to "the land beyond the seas", Van Diemen’s Land, a penal colony in Australia. Though uncertain of what awaits, Evangeline knows one thing: The child she carries will be born on the months-long voyage to this distant land.