While on the Mountain Trail Overnight, Veronica develops a crush on Phil Marsten, but she learns that he only has eyes for Stevie. In an attempt to get Phil's attention, Veronica endangers herself and her horse and winds up alone and unconscious on the trail.
While working with the veterinarian, Dr. Judy Barker, Carole can't help but compare herself to her late mother, Karen, who was also a veterinarian. Carole is unable to deal with the loss of her mother and is devastated when Veronica causes a fatal accident to her horse, Cobalt.
Carole feels like The Saddle Club is falling apart. Stevie is too busy with her old friend, Tina, who came for a visit. Lisa is obsessed with beating out Veronica for the lead in the school play. The birth of Delilah's foal brings the Saddle Club together again.
Determined to break up the Saddle Club once and for all, Veronica makes a bet with Carole that Carole can not go an entire day without running to Stevie and Lisa with information. Carole counters that Veronica can not manage even one day of doing her own barn chores. The loser must leave Pine Hollow.
Lisa's mother invites Veronica to stay with them while Veronica's parents are away. Carole and Stevie are hurt when Veronica tells them what Lisa wrote about them in her diary. Deborah proposes to Max.
Everyone is surprised when a visiting "horse whisperer" praises Kristi for her natural talent. Kristi's huge ego becomes even worse when she is chosen to star in a live sports segment for a kids TV show.
Lisa wants to win first place at a competition but the jumps are to high for her. When she first practices, Prancer refuses to jump it and Lisa goes flying over the jump and goes into a coma. Melanie teaches Camanche to take things of the top of his stall. Mrs. Reg asks her to give the wedding rings to Deborah and when Camanche knocks it off the stall door Meliane thinks he ate them. Since Lisa is in a coma, Max and Deborah decide to postpone their wedding. Despite Carole and Stevie's attempt to wake Lisa up, it fails.
When Carole and Stevie awaken comatose Lisa, with the help of Prancer, Pine Hollow is thrown into a frenzy to get Max and Deborah's wedding back on track in record timing. Stevie and Phil finally admit they like each other.