Lady Selene Ravenwood has come into her full power as a dreamwalker just as the war with the Dominia Empire begins. Working with the other Great Houses, Selene and Damien use their gifts to secure the borders and save those devastated by the war. But conflict, betrayal, and hatred begin to spread between the Great Houses, destroying their unity as the empire burns a path across their lands. At the same time, Damien Maris starts to lose his ability to raise the waters, leaving the lands vulnerable to the empire's attacks.