Finally free of her captors and while an army at her back, Queen Theodosia returns to her home in order to regain her throne. However, there is a new enemy standing in her way and she must be stronger than ever to return things to how they should be.
When her country was conquered by the Kalovaxians, Princess Theodosia was kept as a hostage and a tool to keep her in check. In the 10 years since the conquering, she has been publicly tortured many times and has been forced to give up her language, her people, and even her name. She thinks she's been defeated, but when she gets a spark of hope, she realizes how much she still has to fight for.
Joel has dreamed of being a Rithmatist, from studying theories to reading about old duels, but he unfortunately doesn't have the Rithmatic powers of being able to bring chalk to life. When students suddenly start disappearing from his school, he must team up with a Rithmatics professor and Rithmatic student, Melody, in order to figure out who is kidnapping his classmates.
After killing a wolf in the woods, an unexpected guest shows up at Feyre's cabin - a faerie enraged that she killed his friend, a faerie who was in the form of a wolf. In order to save her family from harm, she agrees to go with this faerie back to the faerie lands to pay the price for the life she took.