After reuniting under the most unexpected circumstances, Thalia, Hazel, and Arael strike up a deal that results in all three returning to Eos. Hazel wants to remain in Fantasy and use their newfound abilities to help, but Arael has already promised to return them home safely. Thalia, defending Hazel's right to stay and desperate to cling to her chance to end the Nightmare Crisis for good, stands her ground and begins to train Hazel despite Arael's protest. However, the dispute digs up old wounds, and things end up more strained than ever before. All the while, Hazel is discovering long-buried secrets surrounding their mysterious pendant... and who it belonged to long before it was theirs.