Having escaped the city of Raynout, Alex, Rita and Milos find themselves journeying in search of Alex's mother and the answers she can provide. Their search leads them to the dangerous and unknown region of the north, where legend tells tales of its perilous waters. Along the way, they learn not only more about the Underlands, but about themselves as well as they struggle to come to term with who they are and where they belong. Meeting interesting new allies and a dangerous new enemy, the three of them must learn how to fully rely on each other... before the waters of the north tear them apart.