Climb to the very top of Mount Baldy if you are feeling brave, but watch out for what hides in the rocks. Treva just wants to enjoy a peaceful hike with her loyal dog Tuffi. But the mischievous trolls who live underground have a different plan. They have always wanted a dog of their own, and they will try every tricky move they know to snatch Tuffi away. Luckily, Treva is smart, fast, and fiercely protective of her best friend. You will cheer her on as she outwits one silly troll after another on her journey to the mountain peak. It is a thrilling chase filled with quick thinking, courage, and deep friendship. Can Treva keep her beloved pet safe from the grasping hands of five greedy creatures waiting at the summit?