Fifteen-year-old Tim loves his job at his dad's pet store, partly because he gets to spend time with his best friend, a black cockatoo named Elmo. But things at work have been tense since the store moved to a larger, more expensive location. To make extra money his father rents out the store's exotic birds for parties and Tim is furious at this exploitation of his friend. When Elmo is stolen from one of the parties, the police are unconcerned about the theft. Tim and his new human friend, Sapna, set out to find Elmo and discover that Elmo is more valuable than they'd ever imagined.
Once again Callie is forced to take part in her mom's latest crusade. They head into ranch country to camp -- bloodthirsty mosquitoes, stinky outhouses and all -- at a protest to save a rural school. Callie's grandmother shows up with her biker buddies and the singing grannies. Callie hates camping and wants nothing to do with the protest. To make matters worse, Callie's only possible ally, her cousin Del, is mad at her. The last time Callie visited, she was thrown from Del's horse, Radish. Callie claimed the horse was vicious and now Del's parents are forcing her to sell Radish. Callie wants to help her cousin, but she's terrified of the horse. Del is just as tenacious as the rest of Callie's family, and Callie is forced to admit that she's not going to be allowed to go home until both the horse and the school are saved.
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.
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.
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.
It's hard enough for Eve to adjust to a new high school without the extra weight she's gained over the summer. Her best friend is ashamed to hang out with her, and she's become the focus of a schoolmate's cruelty. Determined not to be "that pathetic fat girl" at school, Eve struggles with a diet and forces herself to join a mentoring program. The diet only makes her food obsessed, and she feels she is failing as a mentor. How can a lonely fat girl gain the confidence she needs to succeed?
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.
The students of the 121 Express are infamous for bad behavior and Lucas knows his role on the bus will determine his social standing at his new school. Lucas is tired of being one of the nerds. When he attracts the negative attention of the cool troublemakers, he saves himself by teasing another kid. His ploy works and soon Lucas is right in the center of the mayhem on the bus. He loves his new found popularity, but when the fun and games push the bus driver to a nervous collapse and hospitalizes an elderly lady, Lucas begins to question his choices.