Why do fifty girls suddenly disappear from Colorania, including Cynthia? And what plans does the Black Master have with the mysterious scroll that Emith stumbles upon? The king tasks him and his brothers with searching for the missing girls. This time, their journey takes them through the desert to the mysterious city of Shenowee. However, to reach the city, they must cross the terrible Valley of Shadows. While Michaela and Nico are excited to receive new Colorania emails, they are worried about their friend Lena. Why has she changed so suddenly? What secret does she have that she doesn't want to share with anyone? Meanwhile, Mirko makes an exciting discovery.