The fourth novel from the series “The Thunderstorm of the Twelfth Year” is about the Cherkassky family. Elizaveta Cherkasskaya is the only one of the sisters who inherited the gift of clairvoyance passed down through the female line in their family. This is a heavy burden, and the girl could not accept such a destiny. Having told Emperor Alexander I that Napoleon would escape from exile and return victoriously to Paris, Lisa decided that this would be her last prediction. But is it possible to argue with fate? By opening Pandora's box, you can lose yourself and take the place of a completely different person. The girl does not remember anything from her previous life. Having accidentally met Count Pechersky, whom she previously loved, she does not recognize her former lover, but Mikhail cannot recognize in the beautiful, proud prima donna of the Italian opera Cassandra the gentle girl he met on the English estate. Does true love really disappear without a trace? Will Count Pechersky be able to love this strong, independent woman the way he loved a gentle, weak girl? And what will Liza’s heart tell? Or Cassandra?