Trevor, Robyn, and Nick find themselves in deep trouble when they decide to investigate the theft of some research into the use of carob beans to treat cancer.
Kaz, angry all the time since he was scarred in an accident and his parents divorced, finds life spiraling out of control when he accidently knocks an elderly lady over in the park and then makes the irrational decision to steal her purse rather than help her up.
Claire's life takes a dramatic turn and suddenly she has everything she thought she wanted; but soon Claire begins to worry that the cost of her success may be too high.
Liza is determined to expose her mom's boyfriend as bad for business--and the environment--and puts together a group of girls codenamed "GRRR!" which stands for Girls for Renewable Resources, Really! and is surprise by the success of their efforts.
Trevor and his friends become caught up in solving several mysteries at their junior high school in Calgary involving missing lunches and stolen books.
Sam Campbell, a member of the Laggan Lairds losing basketball team, suggests the team change its name to the Laggan Lard Butts, and soon the entire school is caught up in the campaign.
Linda, too shy to meet people at school, develops an anonymous online persona that gains quite a reputation, but things get out of hand when she begins receiving gifts from a secret admirer.
