The Pony Rider Boys are back in action, this time in the beautiful and rugged Carolina Mountains. They face new challenges, including treacherous weather, bullies, and a difficult journey. But Tad, the smallest and often overlooked member of the group, proves his worth time and time again. He is resourceful, brave, and always willing to help his friends. Through their adventures, the Pony Rider Boys learn the importance of teamwork, perseverance, and standing up for what is right. They also discover the true meaning of friendship and the power of believing in yourself.