Tanja Bulkova arrives in Finland under the name Toini Salonen and, with the help of spy chief Rosenberg, becomes the secretary of engineer Rautavuori and discovers the drawings of a secret invention.
A nobleman in 1830's Finland has to contend with stuck-up relatives, his daughters' suitors, dark secrets from his family's past, mistaken identities and a haunted wing of his mansion.
Set in turn of the century Helsinki, author Arvo Helavalla's novel makes an indelible impression on adolescent Auli Ranta. She idolizes the author of a work that can never be forgotten.
