: The episode opens with Rosalind Hale firmly in control as the new Headmistress of Alfea College . Her leadership is significantly more militant than Farah Dowling's, as she treats students like "guinea pigs" in her laboratory to prepare them for an impending war.
: A mysterious new threat emerges involving creatures that kill fairies and steal their magic. It is eventually revealed that Rosalind herself may be behind these attacks.
: Determined to find the truth about her past and rescue her mentors, Bloom attempts to get close to Rosalind to learn her true plans.
