Carole Hanson and Stevie Lake have been best friends ever since they met at Pine Hollow Stables. So when Lisa Atwood shows up for her first riding lesson dressed in fancy riding gear - acting chummy with the snobbiest girl in town - the girls aren't sure she'll fit in. But Lisa works hard, and Carole and Stevie can't help admiring her natural riding talent. Most importantly, the three girls share a special bond that make them fast friends- their love of horses.With the formation of the Saddle Club, the girls start making plans for the long awaited Mountain Trial Overnight Camp. A tragic accident makes Carole lose the one thing she loved most in the world and she swears to never ride again.