When Klara was a child, her mother vanished from her life. All she has left is a handful of stories, passed down from the father who raised her. Klara believes she has long ago come to terms with her mother's disappearance, but then she receives a note and key from someone who calls themselves 'N.R.'. These lead her to a store room, full of the remnants of her mother's past, and to the diary she kept all those years ago. Within its pages, Klara discovers a woman who doesn't quite match the portrait her father has painstakingly painted for her, and a story that leads her to question everything - and everyone - she thought she knew ...