Carmen: "Are you guys sure these are going to fit all of us?" Bridget- " Yes! These pants fit all of us! Lets get them and send them to eachother over the Summer!"
Lena- "Yay! The pants have arrived! Lets go get them!"
Bridget- "Yay! The pants came! Wow! look at all the diifrent places they have been!"
Tibby Tomko-Rollins, Lena Kaligaris, Carmen Lowell and Bridget Vreeland have been best friends since childhood. In the beginning of their summer vacations, they find a pair of jeans that fits each one of them perfectly; they decide to share the pants as a magic symbol of their friendship and form a sisterhood with a manifesto of ten rules.
Tibby- "Film making is so hard! I just wish I had my friends here."
Shy Lena visits European relatives on a Greek island. She falls in love with a sensitive boy in spite of the fact that their families are having an old-fashioned feud. She learns to aware herself and finally wins the family's permission for a final meeting with the boy. Lena starts off with the magical pants in Greece.
Carmen- I wish my dad would just stop lying to me and just tell me the truth! The only good thing about today is Tibby sent
Bridget, goes to sports camp and is attracted to one of the coaches. He returns her love but is more concerned with keeping his job, which he will lose if they are caught. She gets the “magical” pants from Lena and wears them.
Carmen- Omg! Ive missed you guys so much! Lena- Same!
Tibby, decides to make a "documentary" with her video tools, expressing her view of the world. During the summer she befriends Bailey, a girl who turns out to be dying from leukemia. After Bailey's death, Tibby is as bitter at life as ever, but discovers that Bailey left behind a video message, thanking Tibby for her friendship and urging her not to let Bailey's tragedy blight her life. Tibby gets a package in the mail with all different stamps from all over the world on it. She knew that Bridget had sent her the pants.
Carmen went to go visit her father and stepmother in North Carolina and finds out a secret he has been hiding from her that whole time. Finally after waiting so long Carmen receives the pants that Tibby sent to her. When she puts them on she is reminded on how much she misses her friends and can't wait to see them soon.
After what seemed like years the 4 girls reunite and bring the pants along with them. They talk about how there summer was and how much they missed each other and each other's company!