Zoey and her friends must write a secret and tie it to a balloon for psychology class. However, Zoey's balloon gets stuck in a tree, and someone finds and learns Zoey's secret. The mysterious person begins blackmailing her, forcing Zoey to do various, cruel tasks. Who is blackmailing her? Meanwhile, Stacey gets a huge bout of bad luck.

After a deceased relative of Zoey's sends her tons of boxes of ribs, Zoey, Chase, Micheal, and Logan agree to have a rib cook-off. After a fierce feud between Micheal and Logan, they decide to compete against each other with Zoey on Micheal's team, and Chase on Logan's. Quinn accidentally blows Mark's eyebrows off in an experiment gone awry.

Zoey starts dating Dean Rivers' son. Meanwhile, Logan makes a dance video for girls so they can dance with him from the TV. Chase and Michael struggle to make 26 more cartoons for the end of the month, and end up getting sued by Friday Night Live for their idea of two bowling pins afraid of a bowling ball rolling towards them.

There is a contest to see who can keep their hand on a Blix van for the longest. The winner gets a private Blix jet for two to anywhere in the world, and many people are determined that they can win. Logan tries to win by lying about breaking his leg, scaring students off and sneezing on their hands. Meanwhile, Quinn uses a breath spray she made to cure her bad breath, but the side effect makes her laugh non-stop; Lola kisses Mark, which cures her. Michael and Lisa break up when Michael makes fun of Lisa's necklace, but they get back together. Eventually, only Zoey and Logan are left. They stay in the contest for 23 hours and 57 minutes, but Zoey ends the contest by saying that if both of them take their hands off at the same time, they both win. They count to three and Logan takes his off, but Zoey does not and she wins.

Zoey's parents come for an unexpected visit to PCA and tell Zoey and Dustin that they are moving to England. Zoey's dad's business is starting a new branch in London. When offered to accompany the parents to London, Dustin quickly declines the offer, but Zoey decides to think about it first. Although Zoey treasures Chase's opinion, Chase had heard the rumor before Zoey gets a chance tell him about the news. This leads Chase to bitterly convince Zoey that she should go to London. In a cliffhanger ending, Zoey watches Chase admit his love to Zoey unknowingly via webcam. Meanwhile, Stacey pursues a singing career by singing a demo of a song called "Sassafras Tea".

Michael and Logan try to fool the housing lady into making a fake Chase in order to avoid getting a new roommate. Zoey accidentally gets Coco fired and tries to help her get her job back. Meanwhile, Dean Rivers hires Mira, the new dorm advisor. However, she has a problem: she steals everything that she sees. So, Dean Rivers fires Mira and Coco is hired again, but she isn't seen at the end of the show. Before leaving, Mira also steals Dean Rivers' car.

The Dean bans coffee carts on campus after an accident involving his wife, resulting in a war of the sexes when the girls and guys each try to come up with a scheme to circumvent the new rule.

Zoey, Chase, and Stacey take a walk down memory lane as prospective new students ask them about their experiences attending PCA. Stacey becomes upset when no one asks her any questions. Questions for Zoey and Chase include queries about dating, science and technology, and dress codes, among many other things.