【牛仔褲的夏天】是四個性情各異的女孩卡門、布里吉特、莉娜和蒂比的冒險故事，這個暑假，四個自小一起長大的女孩子即將各奔東西，依靠一條神奇的牛仔褲，即使遠隔千里，四人 仍然像往常一樣共同體驗和挑戰著生活的喜悅與驚奇。魔法牛仔褲被注入了16歲夏天的承諾，伴隨她們展開一段成長、戀愛的冒險之旅。
Carmen got the jeans at a thrift shop. They didn't look all that great: they were worn, dirty, and speckled with bleach. On the night before she and her friends part for the summer, Carmen decides to toss them. But Tibby says they're great. She'd love to have them. Lena and Bridget also think they're fabulous. Lena decides that they should all try them on. Whoever they fit best will get them. Nobody knows why, but the pants fit everyone perfectly. Even Carmen (who never thinks she looks good in anything) thinks she looks good in the pants. Over a few bags of cheese puffs, they decide to form a sisterhood and take the vow of the Sisterhood of the Traveling Pants . . . the next morning, they say good-bye. And then the journey of the pants - and the most memorable summer of their lives - begins.
