The light we left behind

"England: 1944. When Maddie Gresham is sent a mysterious message telling her to report to Trent Park mansion, she is surprised to find captured Nazi generals detained in the stately home. Bugged with listening devices in every room, it's up to Maddie to gain the Nazis' trust and coax them into giving up information. When Max Weitzler, a Jewish refugee, arrives at Trent Park with the same mission, Maddie becomes trapped in a dangerous game of chess. The two met in Germany before the war, and Maddie's heart was his from the moment they locked eyes. But Maddie has finally gained the trust of the Nazi officers, and her love for Max must remain a secret"--