School's back in session under the militant authority of Alfea's former Headmistress Rosalind. With the Burned Ones gone, Dowling "disappeared" and Silva imprisoned for treason, the Alfea of last year has grown up with new magic, new romances and new faces. But when fairies start to go missing in the night, Bloom and her Suitemates discover a dangerous threat lurking in the shadows. One they'll have to stop before it wreaks havoc on the entire Otherworld.