The parents of the victims are threatening to sue the school if the perpetrator isn't identified quickly. Another was locked inside a pitch-black closet all night. One girl had a severe allergic reaction and had to be rushed to the hospital. As soon as a girl receives two threats, something bad happens to her. The valedictorian candidates have been receiving threatening notes signed by someone called the 'Black Cat'. Nancy Drew goes undercover as a transfer student named 'Becca Sawyer' at the Waverly Academy for Girls, an exclusive boarding school in upstate New York.
