Tammy's a teacher's kid. Everyone had high expectations of her in the exam-obsessed country where she lived. But Tammy had a secret. Her mind played tricks on her when she read. To make matters worse, she's a Peranakan who had to take Chinese exams. Mandarin, a foreign language to her was the native tongue of her rivals in class.
On top of that, Tammy seemed to have a large part of her brain missing - the part that's supposed to hold common sense.