Raina Bloodgood, a voiceless witch, initially seeks to kill the Frost King’s Witch Collector to rescue her sister but instead joins him on a journey to save their world from an ancient, rising evil. As they navigate a landscape of gods and magic, they must reach the City of Ruin to gather allies and stop the Prince of the East from unleashing destruction. The story follows their evolving bond and the high-stakes battle to protect the kingdoms of Tieryn.