When just ten kids from two cliques at Hubble Middle School get sick after eating in the cafeteria it seems like somebody is deliberately trying to poison them, and while there are several suspects for who might want to get back at the super-cool girls, the other group are the innocuous comic book buffs--so it is up to Zoe and the other members of the S.M.A.R.T.S. to solve the mystery.

Princess Pulverizer's friend Dribble the dragon gets the chance to run his own restaurant but when villagers start feeling sick to their stomachs, Dribble is blamed. Princess Pulverizer must clear her friend's name before his reputation is ruined.