"When I look back on my life, it seems as if I grew up by accident. But at the end of the day, that's the best way to grow up, isn't it?" Eleven-year-old troublemaker Jillian Brighton receives an unexpected gift: a magical telescope that can see into alternate realities. As she learns to use it, she discovers a civilization on the moon. But her best friend doesn't believe her, and her suspicious parents want the telescope sent back where it came from...