When her sister Rosie goes missing after arriving at their grandfather's home, Zoe scours the area, meets some locals and has a scary encounter.

When rival riding school Holloway steals Bright Fields' recently won County Cup, Zoe and Pin must steal it back before Mia's press interview begins.

The gang sees Pin in a new light. On his last day, Marcus confesses a guilty secret to Rosie. Becky says a heartfelt goodbye to her longtime crush.

Things get out of hand during a jousting match at the annual Maid of the Island tournament when Zoe and Mia face off against Gaby from Holloway.

At a beach party, a game of truth or dare forces Zoe to face her feelings for Pin, and a horse race on the sand leads her to betray Raven's trust.

At Zoe's 16th birthday bash, Gaby stirs up trouble between Pin and Marcus, Rosie plays matchmaker, and Mia gathers proof of Callum's bad behavior.

Zoe takes Raven to a private spot to win his forgiveness. Becky, Ben and Rosie stumble upon a mysterious discovery. Mia overhears an upsetting chat.

A fire brings an unlikely hero to the rescue. Gaby reveals her painful past to Zoe and Pin. Jade comes through for Becky during a time of need.

Gaby secretly trains on Raven, but Zoe's kindness makes her feel guilty. Rosie and Ben hunt for treasure in the tunnels. Pin makes plans with his mom.

After Zoe and Pin miss the ferry to Nationals, they get a ride in Grandpa Frank's van. But an empty gas tank leads to an unplanned stop at a fair.

At Nationals, Pin does things his way, Becky cures Jade's fear of performing, Rosie uncovers an old family secret, and James tries to sabotage Raven.

The arrival of Zoe's mischievous cousin complicates the Bright Fields gang's attempts to impress the new mayor.

Pin leads the charge to find a skittish wild horse before the mayor does. The first Breakfast Club meeting leaves some riders champing at the bit.

Zoe and Gaby try to figure out what's wrong with Ariel. Marcus faces obstacles ahead of his trainer exam, and Mia undermines Susie.

The gang gallops into action after inviting the mayor to tea at the castle. As they train for tryouts, Zoe and Gaby grow increasingly competitive.

Bright Fields prepares to welcome a new four-legged guest, but Gaby's rivalry with Zoe could put the highly anticipated arrival at risk.

When Winnie's snobby schoolmates show up at Pony Camp, Zoe does everything possible to keep them busy. Meanwhile, Marcus pushes Mia to face her fears.

Gaby's need to win at tryouts jeopardizes her friendship with Zoe. Jade seeks answers when she loses track of the wild horses.

As Zoe and her friends narrow down the list of suspects in their search for the wild horses, Pin becomes more and more unwell.

Jade and Becky go sleuthing at the castle, Zoe makes a decision about her future, and Callum's obnoxious behavior gets on Gaby's nerves.

Zoe reaches out to her friends for help, Aaron lives out his cowboy dreams, and the gang finally solves the mystery of the wild horses' disappearance.