England 1944. When Madeline is sent a mysterious message telling her that she will be posted at Trent Park mansion, she is surprised to find captured Nazi generals are staying at the house. Bugged with listening devices in every room, it is up to Madeline to gain the Nazis' trust and coax them into giving up information. When Max Weitzler, a Jewish refugee, arrives with the same mission, Madeline finds herself trapped in a dangerous game of chess....