Ah, this is female curiosity! It's impossible to predict where it might lead! Quite by accident, Marika Vyazemsky receives a strange cryptogram note. Is it possible to leave it undeciphered? Only the girl herself is unlikely to be able to understand the mysterious symbols - the note contains ancient runes, magic formulas, and a digital code. Marika's assistants are her fiancé Balder, cousin Alex and an occult professor - a very dangerous person! An encrypted secret leads them to Paris and introduces them to a medium. To learn the secret recipe of Catherine de Medici, Marika and Balder are drawn into a strange and creepy love ritual.