After her last brush with death, Grace is trying to get on with her life. But things haven't been going well. Teased and bullied by her peers at school, her life is far from happy. Grace tries to pursue a new love interest but his shyness threatens to bring things to an end before they have a chance to begin. Grace arrives home from school to find a letter on her pillow. It's a desperate plea for help from the cats. Grace returns to find their city deserted. A massive Drawl invasion has forced the few survivors from their homes and into hiding in the surrounding forests. The Drawl have been busy, enslaving the cats and forcing them to work. Grace finds Yin and learns of Boot's disappearance. Together they struggle to unravel the evil creatures' plan. Grace continues to search for Boot refusing to believe he is dead. She will risk everything to save her friends but can she lead the cats to victory in the ultimate showdown?