Cassandra Palmer, who knows how to talk to ghosts and see what will happen tomorrow, unexpectedly becomes the heir to the title of Pythia - the main and most powerful soothsayer on earth. Along with this gift, she inherits colossal energy and the ability to travel through time. But the inheritance Cassandra has acquired creates many problems for her: there is a war in the magical world - the magicians of the Black Circle are fighting for power with the magicians of the Silver Circle, and the black magicians already have their own protege for the throne of the Pythia. After all, having gained the throne, they will be able to freely penetrate into the past and change the world according to their will...