Sienna is unhappy. Her mum has disappeared and Sienna feels alone
in Shanghai. Rufus - an invisible dog - is her only friend. When
their mean housekeeper starts acting suspiciously, she decides to
investigate. She follows a trail of clues that leads her to a mysterious
moon-lit temple. Is her mother's disappearance linked to
a priceless statue of the moon princess? And can Sienna discover
the dangerous truth?