Thirty-eight year old Cassandra is lost, alone, and grieving. Her much loved grandmother, Nell, has just died and Cassandra, her life already shaken by a tragic accident 10 years ago, feels like she has lost everything known and dear to her.

Living on her family’s gorgeous lakeside estate in Cornwall, England, Alice Edevane is a bright, clever, inquisitive, innocent, and precociously talented fourteen-year-old who loves to write stories. But the mysteries she pens are no match for the one her family is about to endure ...One midsummer’s eve, after a beautiful party drawing hundreds of guests to the estate has ended, the Edevanes discover that their youngest son, Theo, has vanished without a trace.

England, 1959: Laurel Nicolson is 16 years old, dreaming alone in her childhood tree house during a family celebration at their home, Green Acres Farm. She spies a stranger coming up the long road to the farm and then observes her mother, Dorothy, speaking to him. And then she witnesses a crime.

As a 13-year-old World War Two evacuee, Edie’s mother was chosen by the mysterious Juniper Blythe and taken to live at Milderhurst Castle with the Blythe family. In the grand and glorious Milderhurst Castle, a new world opened up for Edie’s mother. She discovered the joys of books and fantasy and writing, but also, ultimately, their dangers. Fifty years later, as Edie chases the answers to her mother’s riddle, she too is drawn to Milderhurst Castle and the eccentric Blythe sisters. Inside the decaying castle, Edie begins to unravel her mother’s past.

A lost child: On the eve of the first world war, a little girl is found abandoned on a ship to Australia. A mysterious woman called the Authoress had promised to look after her – but the Authoress has disappeared without a trace. A terrible secret: On the night of her 21st birthday, Nell O'Connor learns a secret that will change her life forever. Decades later, she embarks upon a search for the truth that leads her to the windswept Cornish coast and the strange and beautiful Blackhurst Manor, once owned by the aristocratic Mountrachet family.

1961. On a sweltering summer’s day, while her family picnics by the stream on their Suffolk farm, 16-year-old Laurel hides out in her childhood tree house, dreaming of the bright future she can’t wait to seize. But before the idyllic afternoon is over, Laurel will have witnessed a shocking crime that changes everything. 2011. Now a much-loved actress, Laurel finds herself overwhelmed by shades of the past. Haunted by memories and the mystery of what she saw that day, she returns to her family home and begins to piece together a tale of three strangers from vastly different worlds.

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.

The cozy, bucolic town of Ludlow is stunned when one of its most revered and respected citizens - Ian Druitt, the local deacon - is accused of a serious crime. Then, while in police custody, Ian is found dead. Did he kill himself? Or was he murdered? When Barbara Havers is sent to Ludlow to investigate the chain of events that led to Ian's death, all the evidence points to suicide. But Barbara can't shake the feeling that she's missing something.

Hailed as the "king of sleaze", tabloid editor Dennis Luxford is used to ferreting out the sins and scandals of people in exposed positions. But when he opens an innocuous-looking letter addressed to him at The Source, he discovers that someone else excels at ferreting out secrets as well. Ten-year-old Charlotte Bowen has been abducted, and if Luxford does not admit publicly to having fathered her, she will die.

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.