As the Mayor is hunting down the wild horse, that injured her daughter, Pin and the Bright Fields riders set out to find it first. Everything doesn't go as planned, and Mia takes a bad fall from Firefly. Meanwhile Becky starts up Breakfast Club back at the stables, and Susie begins her internship at the council office.
Aaron comes up with a plan to save the wild horses, suggesting a tea party at Pin's castle, where Zoe will make a speech to convince the mayor to protect them. However Zoe's competitive side rears its ugly head, when Gaby trains for the UK's under 18's team tryouts, and Zoe crashes her training, arriving late at the tea party.
As Gaby and Zoe's rivalry becomes worse, Ariel gives birth to a foal. Aaron learns Morse code from Zoe and their grandpa, just like a proper boy scout. Thereby naming the new foal Scout, and it is revealed that Raven is the father of the foal.
Pin hosts his first Pony Camp, when Winnie's classmates show up, demanding a selfie with the new foal. Afraid that Ariel will reject her newborn, Zoe comes up with the idea of a Pony Safari, where visitors can travel out and see the wild herd of horses. Back at the stables a ride on a wild horse gives Zoe the perfect idea for her freestyle performance at the tryouts.
Zoe and Gaby battle in the under 18 try-outs. Jade discovers that all the tags on the wild horses have stopped working. Ariel is still missing. Mia decides to continue riding.
Zoe is in doubt if she wants to stay on the island of go home to her family. Jade and Becky figure out why Pin fell ill. Zoe and Gaby find the wild horses and get into trouble.
