When a young detective from the future travels back in time to 1920s Paris, she must solve a centuries-old mystery involving a magical moonstone, all while navigating the whimsical and comical adventures of history....

In this thrilling children's story, young detective Senya uncovers a mysterious disappearance in the heart of Storytown, leading to a race against time to recover the legendary Moonstone and save the city from a dark force....