Ruby Lennox begins narrating her life at the moment of conception, and from there takes us on a whirlwind tour of the 20th century as seen through the eyes of an English girl determined to learn about her family and its secrets.

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.

As England enters World War II's dark early days, spirited music professor Primrose Trent, recently arrived to the village of Chilbury, emboldens the women of the town to defy the Vicar's stuffy edict to shutter the church's choir in the absence of men and instead carry on singing. Resurrecting themselves as The Chilbury Ladies' Choir, the women of this small village soon use their joint song to lift up themselves and the community as the war tears through their lives.

In 1942, Lawrence Pritchard Waterhouse - mathematical genius and young Captain in the US Navy - is assigned to detachment 2702. It is an outfit so secret that only a handful of people know it exists, and some of those people have names like Churchill and Roosevelt. The mission of Watrehouse and Detachment 2702 - commanded by Marine Raider Bobby Shaftoe - is to keep the Nazis ignorant of the fact that Allied Intelligence has cracked the enemy's fabled Enigma code. In the present, Waterhouse's crypto-hacker grandson, Randy, is attempting to create a "data haven" in Southeast Asia....

Born into poverty, brutalised and ignored by her family, it is only when she is married off to a nobleman that her life undergoes a transformation, as her husband recognises in Rosamund a magic she does not know she possesses but which affects almost all who encounter her. Presiding over a luxurious chocolate house where men go to be seen, exchange news and indulge in the sweet and heady drink to which they have become addicted, Rosamund feels blessed. But disaster strikes, and Rosamund stands on the brink of losing all she has worked so hard to achieve.