A detective story revolving around an ancient treasure from the ninth century, believed to have been destroyed during World War II, takes place in an archaeological environment. Its main character is, alongside Captain Exner, who is investigating a strange murder committed on the premises of a scientific institute, a young student at the Academy of Sciences and Arts of the Slovak Republic, Kamila Housková, who discovers that the treasure was not destroyed, but most likely stolen. The bright girl continues her search for the treasure against Captain Exner's will and leads the investigators to a trail that proves the connection between the lost treasure and the murdered woman...