What if Teresa wasn't the only girl glader in the A glade. What if there was another girl before her, before thomas, before everything started to go wrong. And what if she was special. • Cleo is WCKDs number one subject. She's special, different, and placed in a glade full of boys. One boy in particular whom she just may fall for. What's so special about Cleo? And why does WCKD want her?