"Maisie Dobbs must unravel a case of wartime love and death--an investigation that leads her to a doomed affair between a young cartographer and a mysterious nurse"--Provided by publisher.

Joining an expedition to chart the southern seas, 12-year-old mapmaker’s assistant Sai, posing as a well-bred young lady with a glittering future, realizes she’s not the only one on board harboring secrets when she discovers the ship’s true destination.

In 1911, when Letitia Rawlings discovers a map that might hold a clue to the fate of her missing aunt, who disappeared 30 years ago, she sets out to solve the mystery of her family’s past, which becomes increasingly more dangerous as she gets closer to the truth.