Liza, determined to prove that her mother's boyfriend is no good, starts researching the oil company he works for. Liza discovers a lawsuit against the company for compensation that is long overdue to Guatemalan farmers. She starts a group at school called GRRR! (Girls for Renewable Resources, Really!) and launches an attack on Argenta Oil. As her activism activities increase, her objections to her mother's boyfriend become political. She is learning to separate the personal from the political, but when her mother discovers her plans for a demonstration outside the Argenta Oil head office, the two collide in ways Liza least suspected.
Dorf is all about skateboarding and so far that's worked out fine. But now that he's in a new city, the terrain has changed. He's no longer free to skateboard where he wishes, school is more difficult, and his passion for skateboarding garners him the nickname and reputation of a freak. With daring stunts he gains the grudging respect of local troublemakers, but he needs to tap into another kind of courage to effect real change.
Jim, Mickey and Lisa belong to a secret club called the Sewer Rats. Every Saturday the Sewer Rats reign supreme in paintball wars held in the city's storm drain system. The new kid, Carter, wants to join, but Lisa doesn't want him in the club. When Carter is hurt in his first paintball war, Jim and Mickey suspect that Lisa planned the accident. They try to confront her, but she runs into the tunnels just as a rainstorm begins. Jim and Mickey have to get Lisa out before the tunnels fill with water.
Josh knows he's riding recklessly when he knocks down the old man he suspects is the hermit of Lumberman Creek. But he is shocked when the hermit walks into the forest with his bike after the accident. Being without his beloved bike for a week motivates Josh to hike into the woods and confront the crazy old man. The hermit, Jonathan, has fixed Josh's bike, and Josh learns that he has more in common with the old man than he ever imagined. When Jonathan needs help, Josh has to respect the old man's choices in order to save his life.
Rufus and his sister Alexa hate each other at the best of times. When Rufus's friend Phil manages to hypnotize Alexa, Rufus is ready to enjoy the power. They begin by ordering Alexa to be kind to her parents and Phil. The plan backfires when Alexa sweetly suggests canceling an expensive family vacation in favor of a week at home playing board games. Then Alexa turns on the charm with Phil and suddenly Rufus has to deal with a lovesick amateur hypnotist. Rufus is certain it can't get any stranger until Alexa, still in her hypnotic state, is kind to the brother she's always hated and Rufus is more confused than he's ever been.
The first flash mob Ian puts together himself is a sixty-plus person, four-minute pillow fight in a department store. His friend Oswald is thrilled with the event, but Julia, the one Ian really wants to impress, is still convinced that flash mobs are stupid. While Ian tries to prove Julia wrong by initiating flash mobs with political impact, Julia is busy waging war with the strict new principal at school. When Julia goes too far and gets herself suspended, Ian sees an opportunity for a relevant and persuasive flash mob.
When Trevor, Nick and Robyn visit the Royal Tyrrell Museum, Robyn is inspired to raise funds for a dinosaur dig that will close soon if it doesn't find funding. The kids are caught up in another mystery when a chain of suspicious events, including the disappearance of important fossils and a fraudulent discovery at the dig, leads them to wonder what's going on. Is the new visiting scientist behind the fraud, or did Robyn's enthusiasm to save the dig lead her astray?
Turk needs cash, but he's allergic to his own sweat so getting a job is out of the question. Then he makes a discovery: Girls love dogs. Turk's friends will do anything to meet girls. Turk starts a dog walking business. His friends walk the dogs and Turk collects half the money. In an attempt to impress dog-loving Carly, Turk brags about his business in front of the school tough guy, Chuck. When Chuck learns the true nature of Turk's business and wants in on the action, Turk worries that he will lose his business and Carly's respect.
Fourteen-year-old Matt has only one goal in life: to become a hermit. He has no use for school, but he loves the solitude of the forest. When he hikes up to the cabin he built for himself, he discovers a mysterious stranger named Forrest has moved in. At first Matt doesn't connect Forrest's appearance with the rash of local robberies. Forrest seems to be the perfect hermit, and he teaches Matt the skills he needs to achieve his goal, including how to hunt with a crossbow. But when Forrest tries to kill an endangered Roosevelt elk, Matt questions the ethics of his new friend. When Matt discovers a stolen rifle in his cabin, he finds himself trapped in a dangerous situation.
The principal announces that the school is implementing uniforms, and Ian finds himself caught in a conflict. His friend Julia wants him to devise a plan to fight the decision, and the principal is determined to convince Ian the uniforms are a good idea. Ian wants nothing to do with the issue. While doing research for a social-justice class, he learns that the manufacturer of the uniforms is on the top-ten list for human-rights violations. When he tells the principal this, all he gets is a reminder that the penalty for refusing to wear the uniforms is suspension, and Ian finds himself caught in a whole new conflict -- one with himself.
Trevor, Nick and Robyn are ready to solve another mystery. When bobsledder Josh Gantz is accused of deliberately injuring a fellow competitor, he runs the risk of being thrown out of the sport -- right before the World Cup. Courtney Gantz asks Trevor, Nick and Robyn to help clear her brother's name. Can they find out who framed Josh? What is the meaning of the strange coded messages they keep finding around Olympic Park? Who eats orange bananas, anyway? The kids must unearth the clues in a race against time, before Josh's championship dreams end up on ice.
Trevor, Robyn and Nick decide they have a mystery to solve when Trevor discovers a suspicious looking young man snooping around. They learn about missing research involving the use of carob beans to aid in cancer treatment-potentially valuable information. With a shady looking grad student, a bitter activist and an employee of a medical research firm to deal with, our amateur sleuths are faced with their greatest challenge yet.
