Ittoki arrives at the Ninja Academy. Meeting the kind and chipper Kirei and the beautiful and graceful Ryoko gives Ittoki hope about life at the Academy, but the Koga students' influence threatens to make life miserable.

Yumika's death sentence brings turmoil to Iga. As Acting Chief, Ittoki's leadership is tested, but he is still in shock over his mother's imprisonment. Meanwhie, in Koga, something fearsome is beginning to move.