In post-World War II England, a clever, young woman named Mary Adams finds herself thrust into a world of privilege and secrets as she transitions from being a wartime factory worker to a maid in the grand estates. When Mary’s wealthy employer propositions her, she refuses. And when he is discovered dead the next morning, Mary becomes the prime suspect. Relying on clues around the mansion and her sharp intellect, Mary must prove her innocence. Will her pursuit of the truth lead her to the killer? Or is she being framed?