In 1866, tragedy strikes the exclusive Windfield School when a young student drowns in a mysterious accident. His death and its aftermath initiate a spiraling circle of treachery that will span three decades and entwine many lives. From the exclusive men’s clubs and brothels that cater to every dark desire of London’s upper class to the dazzling ballrooms and mahogany-paneled suites of the manipulators of the world’s wealth, one family is splintered by a shared legacy.

As the Great War continues to take its toll, headstrong 21-year-old Emily Bryce is determined to contribute to the war effort. She is convinced by a cheeky and handsome Australian pilot that she can do more, and it is not long before she falls in love with him and accepts his proposal of marriage. When he is sent back to the front, Emily volunteers as a “land girl,” tending to the neglected grounds of a large Devonshire estate. It’s here that Emily discovers the long-forgotten journals of a medicine woman who devoted her life to her herbal garden.

Born on a farm outside Edinburgh in the mid-19th century, Agnes Watt is embraced by family, community, and tradition. Her youthful hopes and dreams are quashed but she falls in love and marries William Miller, a Gordon Highlander. Life spirals into dark places as the couple become ensnared in the nightmare that descended on the Scottish working class during the industrial revolution. The triumphs of the great Victorian era came at an appalling human cost and Agnes fights against disease and grinding poverty.

London, 1925: In a world of townhomes and tennis matches, socialites and shooting parties, Miss Nan O’Dea became Archie Christie’s mistress, luring him away from his devoted and well-known wife, Agatha Christie. The question is, why? Why destroy another woman’s marriage, why hatch a plot years in the making, and why murder? How was Nan O’Dea so intricately tied to those 11 mysterious days that Agatha Christie went missing?

Mrs. Laetitia Rodd, aged 52, is the widow of an archdeacon who makes her living as a highly discreet private investigator. Her brother, Frederick Tyson, is a criminal barrister living in nearby Highgate with his wife and 10 children. Frederick finds the cases, and Laetitia solves them using her arch intelligence and her immaculate cover as an unsuspecting widow. When a case arises involving the son of the highly connected Sir James Calderstone, Laetitia sets off for Lincolnshire undercover as the family's new governess.

West Yorkshire, 1926. After completing her training in Steeple Street, Agnes is looking forward to making her mark as the village's first district nurse, confident she can make a difference in the locals' lives. But when she arrives, she's treated with suspicion, labelled just another servant of the wealthy mine owners. The locals would much rather place their trust in the resident healer, Nella Black.

When two Union soldiers stumble onto a plantation in northern Georgia on a warm May day in 1864, the last thing they expect is to see the Union flag flying high - or to be greeted by a group of freed slaves and their Jewish mistress. Little do they know that this place has an unusual history. Twelve years prior, Adelaide Mannheim - daughter of Mordecai, the only Jewish planter in the county - was given her own maid, a young slave named Rachel. The two became friends, and soon they discovered a secret.

East London, 1888 - a city apart. A place of shadow and light where thieves, whores, and dreamers mingle, where children play in the cobbled streets by day and a killer stalks at night, where bright hopes meet the darkest truths. Here, by the whispering waters of the Thames, Fiona Finnegan, a worker in a tea factory, hopes to own a shop one day, together with her lifelong love, Joe Bristow, a costermonger's son. With nothing but their faith in each other to spur them on, Fiona and Joe struggle, save, and sacrifice to achieve their dreams.

On a June morning in 1900, Rosie Killeen crosses the road that divides her family's County Mayo farm from the estate of Lord and Lady Ennis, and makes her way to the "big house" for the first time. Barely eight years old, Rosie joins the throng of servants preparing for the arrival of Queen Victoria. But while the royal visit is a coup for Ennismore, a chance meeting on the grounds proves even more momentous for Rosie.

The year is 1731, and in a small village in Cheshire, England, the Reverend Browne has determined the future of his young daughter, Sarah. Her life will be dedicated to caring for him and his household affairs while he, acting as one of God’s chosen few, saves souls from the devil. Sarah dreams of a different future, one in which she will be happy and independent. As she grows older, she starts to see glimpses of a tantalizing world beyond her reach and longs one day to escape the drudgery of her life.

When Elise de Lesseps is sold in marriage to Lord Edward Asher, she resolves to be an obedient and dutiful wife, until, on their wedding night, she finds out exactly what her husband has in store for her. His request leaves her feeling shocked and humiliated, but being his chattel, she has no right to refuse. The consequences of that night seal Elise's fate and set her on a path that will lead to heartbreak and tragedy.

1887. Debutante Julia Crawford endures a lifetime of subtle ridicule as the plump, silly daughter of a premiere Boston family. Julia strikes out on her own to gain independence, traveling to the Midwest to marry an aging shopkeeper and care for his mother. Julia finds her new home rough and uncivilized after the sophistication of a big city, while closely held secrets threaten to ruin Julia's one chance at love.

Some women are destined to arouse in men either fierce hatred or insatiable desire. Such a woman was Katie Mulholland. At 15, a scullery maid in the house of the Rosires, she had been raped by the master. Now, many years later, she had enough money to maintain three carriages if she wanted to and she was on her way to see Bernard Rosier under very different circumstances.

Governess Abigail Chantry will do anything to save her sister and two dearest friends from destitution, even if it means breaking into an empty mansion in the hope of finding something to sell. Instead of treasures, though, she finds the owner, Lady Beatrice Davenham, bedridden and neglected. Appalled, Abby rousts Lady Beatrice's predatory servants and-with Lady Beatrice's eager cooperation-the four young ladies become her "nieces," neatly eliminating the threat of disaster for all concerned!

Major Robert Kurland has returned to the quiet vistas of Kurland St. Mary to recuperate from the horrors of Waterloo. However injured his body may be, his mind is as active as ever. Too active, perhaps. When he glimpses a shadowy figure from his bedroom window struggling with a heavy load, the tranquil façade of the village begins to loom sinister....