When the school year ends, Sierra and her friends plan to have a horsy good time riding their horses, teaching summer day camp, and helping their favorite riding instructor arrange a wedding to the local animal-control officer. Difficulties arise before they even pass their final exams. Robin wants to work at the vintage car lot with the beautiful, classic Mustangs she loves. However, her parents are sending her to horse camp whether she likes it or not and she doesn't!
Meanwhile, Vicky intends to train horses. Does her dream job mean she can't spend time with her boyfriend before he leaves for college? Horse camp brings in much needed income to the McElroy's Shamrock Stable, so how can a talented athlete like Sierra tell her family she wants to join the high school basketball and soccer teams at their training camps instead of teaching little beginners again?
After a stunning performance in the spring musical, will Dani ever be able to let her glory-hungry parents know she'd rather be at the barn this summer, not on stage in a theatrical company in Oregon? Catch rider, CeCe worries she won't be 'emancipated' and allowed to remain with the people who offered her a 'real' home but are her new friends too busy to help when she needs them most?
It's a drama-rama summer at Shamrock Stable. What will the five of them do to stay together and ensure each girl's dreams come true?