While vacationing with their widowed father in the Berkshire Mountains, four lovable sisters, ages four through twelve, share adventures with a local boy, much to the dismay of his snobbish mother.
Rosalind heads to the beach when summer arrives, and the rest of the Penderwick girls go to a cozy cottage in Maine with Aunt Claire, leaving Skye feeling slightly overwhelmed with her new role as the oldest available Penderwick.