Callum thought things would be better after he and his friends defeated the evil Lester Smythe, but his world has just begun to crumble...A year after they defeated Lester Smythe, the evil mastermind, Callum, Sophie and Jinx are having problems with the new kids at Thanxton High. The bullies seem to be targeting them. And the friends soon discover they're in the middle of a dangerous plot for revenge. Who's behind it? And what is the bully chip?