A friendly competition between Fiona and Madison, and Egg and Chet to see who can design the best Web site, results in Egg getting so angry he threatens to bow out of their friendship.
Madison, Fiona, Aimee, and Lindsay's trip to New York City for Lindsay's thirteenth birthday is bursting with fun, but their fantastic time is tinged with trouble as the girls worry about an upcoming test at school and Lindsay suspects that her father has forgotten about her.
Madison is thrilled with her new boyfriend, her new friend from halfway around the world, and her new job as a Model United Nations leader, but soon discovers that balancing all the aspects of her life is trickier than she thought.
Madison and her friends cannot wait for their idol, picture-perfect pop star Nikki, to arrive in Far Hills, but life lessons about truth and beauty come along with the thrill of their first concert.
Fiona, Aimee, and Madison prepare for the end of their seventh grade year by working on a science fair project, participating in a school musical, having a family party, and dealing with boy problems.
Cady Sanchez, having just witnessed her big crush Lucas slap her friend Hope at prom, tries to reconstruct the events that led to the shocking incident.