The land of fairies is in danger. According to an agreement with Sorsha, the powerful queen of the High Court, the mortal youth Seth leaves the domain of the fairies and returns to life in the world of ordinary people. Soon after, Sorsha becomes so overcome with longing for him that she forgets the need to support her kingdom, and the faerie world begins to fade. Adding to the urgency of the situation is the fact that Bananak, the warlike sister of the queen, seeks to start a war between the fairy kingdoms... "Mortal Shadows" continues the series of books by Melissa Marr, begun by the novel "Insidious Beauty", which instantly propelled the writer to the highest levels of the popularity rating, translated into more than 20 languages of the world and in terms of success among readers comparable to Stephenie Meyer's Twilight!