Tough, streetwise Caitlin Seeger is forced to leave home and live with family in Montana after she is arrested for theft and destruction of property.
Caitlin moves in with the Lowes and struggles to fit in in her new home. She has a run in with a rabid wolf and befriends a wild horse named Bandit.
Caitlin works to save Bandit, who is suspected of having Rabies after a showdown with the wolf. Meanwhile, Jim tracks down a pair of rustlers.
Caitlin goes to see Bandit the horse and ends up falling asleep in the barn. But after Caitlin uses Griffen's shirt as a rag, they get in trouble for fighting, and Dori makes them both make dinner. But then Bandit runs away. Caitlin get mad at Griffen for talking for her in class so she goes into the guys' bathroom to have it out with him, but they end up in trouble and have to clean the bathroom up. Although the teacher lets then leave early so they won't miss the bus, they do miss it and have to walk home. On the way home they spot Bandit and Caitlin calms the horse down and walks him home. Caitlin and Griffen finally are starting to get along.
In Science class, Caitlin and Griffen must do a science project where they drop an egg from 30 ft. without breaking it. Griffen's partner, the most popular girl in school, uses him and has griffen do the project by himself.
Caitlin's social worker arrives to examine Caitlin's progress and to decide whether or not to allow Caitlin to stay with the Lowes. Things start to go wrong shortly after the social worker arrives. Caitlin is seen near the cash register in a department store shortly before $200 turns up missing. The money is later found in Caitlin's backpack. Caitlin says that she didn't take the money but nobody believes her. Jim is about to arrest Caitlin but Caitlin escapes on Griffen's new bike. Griffen later sees his bike outside of the school. He goes into the school and finds Caitlin developing pictures of Griffen performing stunts on his new bike. One of the pictures shows Ryan Zorn in the background putting the money into Caitlin's pack. The picture proves that Caitlin is innocent. Caitlin confronts Ryan later as he is being brought into the sheriff's office. She says, ""You set me up."" Ryan responds that he just wanted Caitlin to have the cash so that she could get a new camera case or a lens.
Caitlin's class goes on a camping trip, and Taylor and Caitlin are made partners in a tent. The teacher gets ill, and Dori and Jim are the chaperones. Caitlin and Taylor go to get firewood, and the girls forget their survival sheet. Taylor falls in the river, and Caitlin uses Griffin's guitar to rescue her.
Jim Lowe is up for re-election as Sheriff, with Griffen as his campaign manager. His plans are abruptly changed while a wiley circus bear runs loose, with a little assistance from Caitlin.
On a dare from Caitlin, Griffen steals a piece of movie memorabilia -- pulling off what seems to be an innocent prank. Consequently, Caitlin must face the repercussions of her dare. Meanwhile, Dori tries to cure an insomniac llama.
A disheartened, distraught Caitlin loses faith in herself and her creativity when her photography is criticized by a teacher. Simultaneously, Griffen gives up the High-Q team for the Grid-Iron glory.
It is the annual High River High School Spring Dance, and everyone is going, everyone except Caitlin. Dori tries to get her to come, until Caitlin explains why she is not going. She eventually comes to the dance, and dances with someone who is also at his first dance.
Caitlin out scores Griffen on an IQ test, threatening their new friendship. Griffen and friends start a garage band and audition for a talent show.
Caitlin spends the day with Jim on ""Take Your Daughter to Work Day,"" and through the experience, gains a new respect for the law. A ballet teacher substitutes as the coach for Griffen's gym class and attempts to teach the boys basketball.
In a breakthrough bonding experience, Dori and Caitlin team up to compete in a mother-daughter horse rally. Conversely, Jim is challenged to settle an old high school score by one of Griffen's teachers.
Caitlin wants to get a dog, and Dori thinks she is not responsible enough. So Caitlin decides to prove to Dori she is responsible... by helping a dog give birth to 13 puppies. She does get all of them born, with help from Griffen, and Dori said that Caitlin would be her new assistant.
Caitlin discovers that Jim and Dori are receiving money from the foster care system for her guardianship and strikes back by stealing their new car. A severe accident unveils the new, loving relationship she has developed with the Lowes. A frustrated and desperate Griffen tries everything to win a trip to Paris, home of his cyber pen pal.
Taylor is running for president, Griffen says he will write her speeches. Caitlin tells Griffen he should run, and she'll be his campain manager.
Caitlin is forced to join the soccer team. Meanwhile, on a father-son fishing trip, Jim and Griffen argue the advantages of old vs. new technology.
On an emotional roller coaster, Caitlin reaches creative highs and relationship lows when directing her autobiographical play. Eric and Taylor research their roles with comic consequences.
Caitlin and Griffen are having a sleepover, and they invite Annie and Brett. They play Truth or Dare and they do really crazy stuff, with Caitlin videotaping it. But Annie when is dared to do something gross, she leaves the party. Caitlin brings her back and apologizes.
To help her friend Annie, Caitlin agrees to cover several waitressing shifts at the diner. But her bad attitude and poor performance ultimately jeopardizes Annie's job. In an attempt to show off their supreme bike racing skills, Griffen and his buddies challenge a team of cocky BMX all-stars to a race.
When Bandit's leg becomes entangled in a bear trap, Dori faces a medical decision that jeopardizes Bandit's life. On the home front, Griffen is cut from the local hockey team by the coach -- his father Jim.
This episode is a two parter. It's Caitlin's first birthday living in Montana. Will and his mother move into town. They think Bandit is their colt that ran away four years ago. Caitlin is heart broken to think she might lose Bandit forever.
Caitlin and Taylor go shopping together for a present for their teacher. Griffen, Brett, and Eric need a new apilfer for their band. In the end they all try to help a little boy.
Caitlin protests the new principal's rules. Griffin finds out the girl he likes is the new principal's daughter.
Caitlin is afraid to get back on Bandit after he throws her off.
Caitlin wants to find her dad. Dori and Jim have an aniversary party.
Caitlin gets her first photography job at Tremor a newspaper that wants to shake things up. Griffen trys to get Brett to buy high-priced shoes to win the High River Basketball Shoot-Off. When Caitlin needs someone to fill in for ""Blue"" she gets Brett to do it for the money he needs.
Caitlin knows someone from a popular band, she asks them to come to the school dance. While Griffen trys to work things out with Eric, Brett, and Jordon.
Eric steals one of Caitlin's poems to turn in so he doesn't fail English.
Caitlin wins a contest to see what her dream job is really like. Being so busy with entering the contest she forgets her mother's birthday. She doesn't want to take the prize, because she thinks soon she won't remember anything about her mother.
The cows on Eric's ranch are getting sick. Caitlin helps him figure out why.
Griffen gives snowboarding lessons, to everyone but his parents. Caitlin and Eric get trapped in a snow storm together.
Caitlin and Taylor are both studying the art of self-defense. But when they fight in class they both lose it, and might not be able to come to class anymore. Griffen and Brett unearth a costly fossil. They can't decide who owns the fossil and it start to break apart their friendship.
Caitlin skips summer school to hang out with Will. Jim isn't very happy, but Dori understands. Griffen and Eric try to break a world record.
Caitlin, Griffen, Taylor, Nikki, Brett, and Jordon go camping pioneer style, and end up with no food.
Caitlin gets the job at Dr. Truth, a radio program where teens call up to ask her questions. What does she do when she thinks someone she knows is in real trouble?
Caitlin uses her camera as a science project. Someone destroys Griffen's science project, and he accuses Brett.
Caitlin offers to baby sit Brett's little sister, Julie, while he is at football practice. When Julie hears her parents are selling her horse, she runs away. Caitlin tells Julie she felt the same way when she lost her mother, but Julie doesn't believe her.
Caitlin and Taylor compete for the lead in the school play, and for Will.
Griffen climbs to a mountain top, leading an on-line expedition.
Caitlin feels that supporting Dori, who is in the running for Mother of the Year, would be a betrayal of her real mother.
Caitlin and Griffen hold a birthday party for Jordan at the bowling alley. Scary things begin happening, such as the lights going out, and Caitlin being dragged into the pit by Mr. Squirrel. Is it Caitlin and Griffen playing tricks on everyone, or is it the escaped serial killer from the jail that Jim was talking about?
An old friend of Caitlin's, Charlie Sullivan, comes to High River to hide, and tries to convince Caitlin to start stealing again, like the old days. Will Caitlin prove an old friend that she's changed? Or will Charlie convince her to go back to Philadelphia... for good?
Caitlin is annoyed by Brett's little sister, who is visiting the ranch for the weekend. Meanwhile, Griffen makes the class yearbook available on the Internet.
Caitlin and Griffen face expulsion from school, she for cutting class and he for plagiarizing a term paper.
A surprising friendship forms between Caitlin and a spunky senior citizen. Meanwhile, Griffen and Nikki try to work together on an important project.
Burning bootleg CDs becomes a hot topic at school, with Caitlin and Griffen on opposite sides. Meanwhile, Griffen's parents discover that he might have been mixed up with another baby at the hospital when he was born.
Caitlin is reunited with her long-lost father, but Griffen is worried that his parents might get a divorce.
Caitlin fears that her newly-arrived father will disappear again after he is accused of passing counterfeit money. Meanwhile, Griffen helps deliver a baby.
Will asks Caitlin to be his alibi when he is accused of arson; Griffen and Brett cash in on Thanksgiving by delivering turkey dinners door-to-door.
