London, 1940. Emmeline Lake is Doing Her Bit for the war effort, volunteering as a telephone operator with the Auxiliary Fire Services. When Emmy sees an advertisement for a job at the London Evening Chronicle, her dreams of becoming a Lady War Correspondent suddenly seem achievable. But the job turns out to be working as a typist for the fierce and renowned advice columnist Henrietta Bird. Emmy is disappointed but gamely bucks up and buckles down.

1941. Audrey Coltrane has always wanted to fly. It's why she implored her father to teach her at the little airfield back home in Texas. It’s why she signed up to train military pilots in Hawaii when the war in Europe began. And it’s why she insists she is not interested in any dream-derailing romantic involvements, even with the disarming Lieutenant James Hart, who fast becomes a friend as treasured as the women with whom she flies. Then one fateful day, she gets caught in the air over Pearl Harbor just as the bombs begin to fall, and suddenly, nowhere feels safe.

1942. Hannah Martel has narrowly escaped Nazi Germany after her fiancé was killed in a pogrom. When her ship bound for America is turned away at port, she has nowhere to go but to her cousin Lily, who lives with her family in Brussels. Fearful for her life, Hannah is desperate to get out of occupied Europe. But with no safe way to leave, she must return to the dangerous underground work she thought she had left behind.

Iris Maynard lost her husband in World War II, her daughter to illness and, finally, her reason to live. Walled off from the world for decades behind the towering fence surrounding her home, Iris has built a new family…of flowers. Iris propagates her own daylilies and roses while tending to a garden filled with the heirloom starts that keep the memories of her loved ones alive.

Spring 1946: Best friends Vera Frankel and Edith Ban arrive in Naples. Refugees from Hungary, they managed to escape from a train headed for Auschwitz and spent the rest of the war hiding on an Austrian farm. Now, the two young women are starting new lives abroad. Armed with a letter of recommendation from an American officer, Vera finds work at the United States embassy where she falls in love with Captain Anton Wight. But as Vera and Edith grapple with the aftermath of the war, so too does Anton, and when he suddenly disappears, Vera is forced to change course.