The North Yorkshire moors are always a magical place, but they're particularly enchanting at the holidays...especially if one gets to travel back in time to a Victorian Christmas. For Bronwyn Dale, it is the stuff of dreams. Fancy-dress balls, quirky small-town traditions, even that classic one-horse open sleigh, complete with jingle bells. There's just the tiny problem of the Butterfly Effect. How does a time-traveler make a difference without disrupting the future forever?