Ashley is thrilled with fashionable Sophie, a new girl from Los Angeles, but her friends are not impressed and consider her a stuck-up intruder on their friendship--will a spa sleepover at Sophie's house break the ice or cause a blow-up?

Ashley has lately branched out from her tween fashion blog into fashion YouTube videos, and when one of her videos is featured on a major teen website she becomes an overnight online celebrity, and all the "cool" girls at school take notice--which threatens her relationship with her three best friends, especially when several of them push in on the traditional Friday sleepovers.

Maren has been very close to her mother, so she is not happy when she discovers that she will soon have a new stepfather, and when she meets his twin children she is not sure that even her three friends, Delaney, Ashley, and Willow, can pull her through--especially after the twins shave Ashley's dog Coco during a particularly disastrous sleepover.

It is spring break and Willow's family is heading to their house on Whidbey Island and, for the first time, the three other sleepover girls are coming along and Willow wants to show them the place she loves--but once there she finds that too much togetherness is not necessarily a good thing.

When Lissa Marks injures herself trying a daredevil stunt she finds it frustrating sitting on the sidelines, but the real shock comes when she finds out she won't be allowed to compete in the regional tournament.