Bree has decided to give up riding after a bad fall at home, but she still enjoys summers at Storm Cliff Stables with her close friends, and learning how to care for the horses and other animals--but when the animals start disappearing one by one Bree is determined to solve the mystery.

Avery Donaldson and her three best friends are happy to be at Storm Cliff Stables for the summer, especially since gold medalist Anna Wainwright is supposed to be there to give riding lessons--but Anna is nowhere to be found, and Avery is convinced something has happened to her hero.

"Carolina Aguasvivas's oldest friend, Vida Jones Castillo, has never been interested in riding horses -- until now! Carolina is thrilled for her BFF to join Paradise Ranch, along with new sponsorship student Brielle Stuart. The barn is a full, happy house! But the girls' perfect summer falls apart when they find out that one of the horses might be sold -- Carolina's favorite riding buddy, Shadow. Can Carolina and her friends save her beloved horse......