What does it feel like to go on vacation and find yourself... wanted? Everything happened so quickly that Polina Svirskaya did not even have time to understand why her life suddenly turned into a nightmare. More recently, she was sitting in a comfortable carriage of the Moscow—St. Petersburg high-speed train, chatting sweetly with a fellow passenger and looking forward to pleasant days in the northern capital, and now she is hiding from the police in horror.And no one will believe that she is not a terrorist, because it was her suitcase that exploded at the train station!.. Fortunately, Polina's beloved husband, investigator Sergei Dulo, rushed to her aid. And together they began to unravel this dangerous story, which unexpectedly turned out to be connected with the search for a carnelian signet ring that once belonged to Pushkin himself.…In the action-packed novels of Anna Knyazeva, crimes are investigated, the traces of which lead back to the past and allow us to shed light on its mysteries. Following the heroes, you will go towards ancient mysteries and exciting adventures!