Issie's dream job of working with horses on a film set is complicated by the unpredictable behavior of the animals and a secret held by a famous actress. Issie, thrilled to be handling horses for a film, enlists the help of her pony club friends to manage a group of spirited palominos. However, the challenges extend beyond the horses, as the spoiled actress Angelique harbors a significant secret. Issie must navigate these complexities, wondering if this experience could lead to her own stardom.

Based on the premise, the book likely offers a lighthearted adventure centered around horses and the excitement of a film set. The inclusion of a secret and the possibility of stardom for the protagonist suggests a narrative that balances the joys of working with animals with a touch of intrigue. The story is expected to appeal to young readers who enjoy equestrian themes and relatable characters facing engaging challenges. The mention of a major TV show adaptation indicates a popular and well-received series.