The girl who wasn't there: Nancy gets a call for help late one night from a tech support girl she befriended over the phone. When the line goes dead, Nancy is determined to get to the bottom of things. Soon, Nancy, her dad, and friends George and Bess are on their way to India to find Kalpana. River Heights is celebrating Nostalgia Week and everyone in town is dressing up and acting like it was 1930 -- including Nancy, Bess, and George! Wait 'till you see Nancy in her roadster! But when crimes in Emma Blavatsky's antique dollhouse start coming true, Nancy has a full-blown mystery on her hands.