1942. Three years into the war, Pam turns down her hard-won place at Oxford University to become a codebreaker at Bletchley Park. There, she meets two young men both keen to impress her, and Pam finds herself falling hard for one of them. But as the country’s future becomes more uncertain by the day, a tragic turn of events casts doubt on her choice. Present day. Julia is struggling to juggle her career, two children and a husband increasingly jealous of her success. Her brother presents her with the perfect distraction: photos of their grandmother as a young woman at Bletchley Park.

Dorset, 1935. Stationmaster Ted has never cared much for romance. Occupied with ensuring England’s most beautiful railway runs on time, love has always felt like a comparatively trivial matter. Yet when he meets Annie Galbraith on the 8:42 train to Lynford, he can’t help but instantly fall for her. But when the railway is forced to close and a terrible accident occurs within the station grounds, Ted finds his job and any hope of a relationship with Annie hanging in the balance.

Ballymor, Ireland, 1847. As famine grips the country, Kitty McCarthy is left widowed and alone. Fighting to keep her two remaining children alive against all odds, Kitty must decide how far she will go to save her family. Present day. Arriving in Ballymor, Maria is researching her ancestor - Victorian artist Michael McCarthy - and his beloved mother, the mysterious Kitty who disappeared without a trace.

When Gemma discovers a pair of ancient duelling pistols encrusted with rubies in the basement of the local museum, she is immediately intrigued. On a fateful night in 1838 two sisters were found shot in the cellars of Red Hill Hall. And when Gemma begins to delve deeper into their history, she begins to realise that the secrets of that night are darker than anyone had ever imagined. As the shocking events of the past begin to unravel, Gemma’s own life starts to fall apart. 

When Ali inherits her great-aunt’s house, she immediately moves her whole family in, despite the warnings that there is something strange about the place. Unfazed, Ali begins redecorating, going through the rooms, making each one her own with the help of her daughter, Kelly. But when under the wallpaper in Kelly’s new room they discover a scrawled message from 1944, Ali begins to question the history of the house as she knows it.

It’s the summer of 1935, and 11-year-old Stella Walker is preparing to leave her home forever. Forced to evacuate to make way for a new reservoir, the village of Brackendale Green will soon be lost. But before the water has even reached them, a dreadful event threatens to tear Stella’s family apart. Present day, and a fierce summer has dried up the lake and revealed the remnants of the deserted village. Now an old woman, Stella begs her granddaughter Laura to make the journey she can’t. 

Researching her family tree had been little more than a hobby - until Katie stepped onto Kingsley House’s sprawling, ivy-strewn drive. The house may be crumbling today, but it was once the intimidatingly opulent residence of the St Clairs, Katie’s ancestors. Arriving here 200 years later, emotion stirs in Katie: a strange nostalgia for a place she’s never seen before...and when Kingsley House comes up for sale, Katie is determined that her family must buy it.

1861. George’s life changes forever the day he meets Lucy. She’s beautiful and charming, and he sees a future with her that his position as the second son in a wealthy family has never offered him. But when Lucy dies in a suspected poisoning days after rejecting George, he finds himself swept up into a murder investigation. George loved Lucy; he would never have harmed her. So who did?

1789. Pierre and Catherine Aubert, the Comte and Comtesse de Verais, have fled the palace of Versailles for their château, deep in the French Alps. But as revolution spreads through the country, even hidden away the Auberts will not be safe forever. Soon they must make a terrible decision in order to protect themselves and their children, from harm.  

Jenny Tanner opens the box she has cherished for decades. Contained within are her most precious mementoes, amongst them a pebble, a carving and a newspaper cutting she can hardly bear to read. But Jenny knows the time is finally here. After the war, in a mountainside village in Italy, she left behind a piece of her heart. However painful, she must return to Cinque Alberi. And lay the past to rest. 

Present day: Emma Lovett, who has dedicated her career to breathing new life into long-neglected gardens, has just been given the opportunity of a lifetime: to restore the gardens of the famed Highbury House estate, designed in 1907 by her hero Venetia Smith. But as Emma dives deeper into the gardens’ past, she begins to uncover secrets that have long lain hidden.

What happened to Brigitte Berthold? That question has haunted Daniel Knight since he was 13, when he and 10-year-old Brigitte escaped the Gestapo agents who arrested both their parents. They survived a harrowing journey from Germany to England, only to be separated upon their arrival. Daniel vowed to find Brigitte after the war, a promise he has fought to fulfill for more than 70 years.

Robinswood, Co. Waterford, 1939. The once grand house is home to two very different families. Despite delusions of grandeur, Lord and Lady Kenefick and their adult children live a life of decayed opulence as the money needed to keep such a large house and grounds ever dwindles. Meanwhile, the Murphy family, Dermot, Isabella and their three almost grown-up girls, live and work on the estate and do their best to keep everything running smoothly.

1938, Salzburg. Johanna, Birgit, and Lotte Eder have always lived quiet lives, working in their father’s clockmaking shop and helping their mother in the house. But like many other Austrians, they find it impossible to ignore the changes in the world around them. At first Johanna finds it hard to believe the Nazis pose a real threat. But then her father hires Franz to help in his shop. He’s kind and soulful, with dark eyes that twinkle with intelligence. But he’s Jewish, and as Johanna falls for him, she realizes that loving him puts them all in danger.

If Fiona has learned anything in life, it’s how to keep a secret - even from the father who raised her. She is the only person who knows about her late mother’s affair in Tuscany thirty years earlier, and she intends to keep it that way...until a lawyer calls with shocking news: her biological father has died and left her an incredible inheritance - along with two half siblings.