Apparently, a forbidden magic book called "The Testament of Carnamagos" is being used to rob Lucy and Simeon of their magical powers. But who exactly is behind it is still unclear. Elias takes care of the matter because he fears that otherwise Chise will put herself in danger for her friend and because he himself wants to protect a friend.

Outside the College, the witches hunt for the missing book. Inside, the students try to juggle lessons with their own personal goals and relationships. Philomela confides in Alcyone, but an ominous message reminds her of her assignment.

The mystery deepens as all the students drained of magic suddenly wake up feeling fine. Rumors about the culprit start to rise among the student body. Veronica checks in on Philomela.

Philomela bargains for Liza to undo the seal over the College so she can return home to fulfill her duty. As Chise gives chase, her power gives her a terrifying new form.

As Lizbeth's plans near fruition, Philomela thinks about what it is she really wants.

The fight begins in earnest as Lizbeth starts to gain the upper hand, but Chise and company receive some unexpected assistance.

Philomela stands against Lizbeth in a final battle of wills.