"Charlotte Weber is against the Nazi regime and what it stands for, but as she attends Hamburg University, she struggles to make sense of the war she finds herself a part of. Practising her violin for the university orchestra with her friend, Greta, gets her through the days, until Greta fails to meet her one day, and Charlotte goes to her friend's apartment to find her body inside. The police declare it a suicide, but Charlotte knows it is murder. Desperate to discover who killed her friend, but not knowing where to turn, Charlotte is approached by Nazi spies, who recruit her, believing she is Greta. Caught right in the middle of the regime's web, Charlotte determines to use her position to subvert the regime from the inside, and find out the truth about Greta once and for all. As the war atrocities heighten, and she witnesses the brutality of the Gestapo, Charlotte begins to discover hidden truths of her closest circle of friends, all of whom have something to hide that would make them targets for the Nazis ... "-- Provided by publisher.