Holloway Riding School, rivals of Bright Fields, steals the cup from them, so Zoe and Pin decide to go and bring it back. Meanwhile Rosie tries to fit in.
After Zoe and Pin miss the ferry to Nationals, they catch a ride in Grandpa Frank's van with Rosie, Ben, and Wilma. Pin confesses his feelings for Zoe, and Rosie and Ben find out what the smuggler's treasure is.