Toronto, Canada, 2002. Trying to juggle her burgeoning independence and the family's expectations is about to become even more complicated when 13-year-old high-achiever Mei Lee makes an eye-opening discovery. And as her hyperactive teenage hormones kick in, having a mind of their own, Mei's emotions also take on a life of their own: whenever she gets too stressed or excited about something, Mei triggers a strange, radical metamorphosis. Can Mei Lee endure puberty and the growing pains of growing up, or will she keep turning red?—Nick Riganas