She toils behind the scenes to keep those on the frontlines safe. But she might be the one in danger... England, 1941. When a sudden reassignment gives Lily Baker only three days to report to mysterious Bletchley Park, she's confused but excitedly answers duty's call. Learning the reputed madhouse is actually the clandestine home of Allied codebreakers, Lily walks a fine line between guarding British secrets and protecting her heart. But when she overhears that a spy could be hidden among the eclectic mix of codebreakers, she is determined to uncover which of her new friends is the traitor. Can she track down the mole before more innocent lives are lost? The gripping fifth book in The Lily Baker Series. If you like compelling casts of characters, high-stakes intrigue, and budding romance, then you'll love this page-turning tale.