You will have ninety minutes to solve the murder. A startling declaration by a new Harvard instructor: sixty-seven-year-old Frances Glessner Lee. It’s 1945. Before her, six wary male students given to assumptions—especially when it comes to women without a formal education—are challenged to solve a real-life whodunit using Mrs. Lee’s creation, the crime scene diorama. Every detail is accurate. And every detail matters when solving a crime with no survivors…

They say behind every great man, there's a woman. In this case, there are three. Stella Crater, the judge's wife, is the picture of propriety draped in long pearls and the latest Chanel. Ritzi, a leggy showgirl with Broadway aspirations, thinks moonlighting in the judge's bed is the quickest way off the chorus line. Maria Simon, the dutiful maid, has the judge to thank for her husband's recent promotion to detective in the NYPD. Meanwhile, Crater is equally indebted to Tammany Hall leaders and the city's most notorious gangster, Owney "The Killer" Madden.

Russia, July 17, 1918: Under direct orders from Vladimir Lenin, Bolshevik secret police force Anastasia Romanov, along with the entire imperial family, into a damp basement in Siberia where they face a merciless firing squad. None survives. At least that is what the executioners have always claimed.

On the evening of May 3, 1937, Emilie Imhof boards the Hindenburg. As the only female crew member, Emilie has access to the entire airship, from the lavish dining rooms and passenger suites to the gritty engine cars and control room. She hears everything, but with rumors circulating about bomb threats, Emilie's focus is on maintaining a professional air...and keeping her own plans under wraps.

In this sweeping story based on the true experiences of nurses dubbed "the Angels of Bataan," three women shift in and out of each other's lives through the darkest days of the war, buoyed by their unwavering friendship and distant dreams of liberation.