Rian is the last descendant of The Old Ones actively working for The Rose Institute. It's his duty to ensure the ancient demon prison stays sealed. He must now return to High School to keep an eye on the Key, to make sure she stays oblivious.
But the demons are working to open the prison... trying to trigger Keira to fulfill her destiny. Will they succeed in opening the prison gate? Will the Thirteen need to be activated to help save humanity and relock the demons away?