Ksenia Kolobova is a student at a prestigious university, the daughter of loving and wealthy parents. Having passed the exams, she went with her friends to the Sphinx nightclub owned by her father, not suspecting that the party would end... with an explosion, after which she would be the only one to survive. Ksenia loses everything: she has to leave the institute and start a new life - without friends, without parents, without work. To restore her good name, she must find out who blew up the Sphinx and why. And Kolobov’s sudden harshness and indifference make her doubt that this is her real father...