Following a humiliating experience involving the man she thought she’d marry, Iris Tredwick signs up to the Wrens in order to escape and - hopefully - find ‘the right sort’ of man to please her mother. After a bumpy start, Iris manages to befriend outspoken Mary and dreamer Sally as they are sent to their first posting - in Orkney. There she meets engineer Rob, whose flirtatious nature both charms and confounds straight-laced Iris. Much more appropriate for her is local doctor Stewart, if only she felt the same spark for him as she does for Rob.

Lady Joanna Harcourt and her daughter, Sarah, discover their life of luxury at Goodwill House is over. Because with Lord Harcourt away fighting, the Harcourt girls are facing financial ruin. Lady Joanna is terrified of losing their home, but for Sarah, this means her dreams of becoming a doctor are over. Headstrong Sarah isn’t one to quit! War or not, she’s determined to find a way to save her home and follow her dreams - whatever it takes.

Bristol 1936. Jenny Crawford has resigned herself to a loveless marriage living hand to mouth with their two children. Like many others, husband Roy struggles to find work at the docks but a chance encounter turns the family's fortunes around. Not only does he get regular work but they are also allocated a council house on Coronation Close on the outskirts of the city. Jenny and the children are overjoyed, this is the fresh start she could only ever dream of. But trouble feels never too far away.

At the age of 22, Jennifer Worth left her comfortable home to move into a convent and become a midwife in postwar London’s East End slums. The colorful characters she met while delivering babies all over London - from the plucky, warm-hearted nuns with whom she lived to the woman with 24 children who couldn't speak English to the prostitutes and dockers of the city’s seedier side - illuminate a fascinating time in history.

Maisie Dobbs got her start as a maid in an aristocratic London household when she was thirteen. Her employer, suffragette Lady Rowan Compton, soon became her patron, taking the remarkably bright youngster under her wing. Lady Rowan’s friend, Maurice Blanche, often retained as an investigator by the European elite, recognized Maisie’s intuitive gifts. The outbreak of war changed everything. Ten years after the Armistice, in the spring of 1929, Maisie sets out on her own as a private investigator, one who has learned that coincidences are meaningful, and truth elusive.

Summer 1924: On the eve of a glittering society party, by the lake of a grand English country house, a young poet takes his life. The only witnesses, sisters Hannah and Emmeline Hartford, will never speak to each other again. Winter 1999: Grace Bradley, 98, one-time housemaid of Riverton Manor, is visited by a young director making a film about the poet's suicide. Ghosts awaken and memories, long consigned to the dark reaches of Grace's mind, begin to sneak back through the cracks.

East Sussex, 1914. It is the end of England's brief Edwardian summer, and everyone agrees that the weather has never been so beautiful. Hugh Grange, down from his medical studies, is visiting his aunt Agatha, who lives with her husband in the small, idyllic coastal town of Rye. Agatha's husband works in the Foreign Office, and she is certain he will ensure that the recent saber rattling over the Balkans won't come to anything.

On his death bed, Lord Pembroke took great care to try to ensure the future of his beautiful, unconventional niece, Lady Jane. Her debutante ball featured the most eligible bachelors of London society. But when the night of the dance arrives, things do not go as planned.

Beautiful and courageous, Samantha Hargrave dares to dream that she will become one of the first female doctors - and surgeons - in America. Born in the slums of London and possessing a special gift for healing, Samantha struggles to enter the all-male medical profession. When her ambition encounters hostile rejection in England, she sails to America, where she meets an eccentric doctor who takes her on as an apprentice.

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.

When sixteen-year-old Sally is evacuated to the English south coast, she is terrified by what lies ahead of her. All she knows are the sights and sounds of London's East End – but Sally swallows her tears as they leave the familiar landmarks behind, knowing that she has to be a Grown-Up Girl and play mother to her six-year-old brother Ernie. Playing mother is nothing new for Sally – their real mother Florrie, a good-time girl, hasn't even come to the station to wave them off and Ernie, crippled at an early age by polio, is used to depending on his older sister.

1830. After a violent storm, a woman is found alone, naked and near death, on the Northumberland moors. She has no memory of who she is or how she got there. But she can remember how to help a woman in labour and how to expertly dress a wound and can speak fluent French. With the odds against her, a penniless single woman, she starts to build her life from scratch, using her skills to help other women around her. She finds a happy place in the world. Until tragedy strikes, and she must run for her life.

1939. Irena is a young medical student living in Warsaw when the German army invade Poland. Those closest to her are dying and when Irena realises that no one is coming to Poland's aid, it's clear that she is alone. Forced to flee to Britain, Irena meets Richard, a RAF pilot who she's instantly drawn to and there's a glimmer of happiness on the horizon. And then the war becomes more brutal and in order to right a never-forgotten wrong Irena must make an impossible decision.1989.

1876. Among the filth and depravity of Covent Garden's flower markets, orphaned Irish sisters Flora and Rosie Flynn sell posies of violets and watercress to survive. It is a pitiful existence, made bearable only by each other's presence. When they become separated, the decision of a desperate woman sets their lives on very different paths.

West Yorkshire, 1904. When recently graduated Ruby May takes a nanny position looking after the children of Charles and Lilian England, a wealthy couple from a powerful dynasty of mill owners, she hopes it will be the fresh start she needs. But as she adapts to life at the isolated Hardcastle House, it becomes clear something is not quite right about the beautiful, mysterious Mrs. England.