Alison, Heather, Keisha, and Megan find a golden key that turns out to unlock the attic in a neighbor's old Victoria house. Once inside Keisha spots a truck filled with wonderful costumes. When all four stand in front of the old-fashinoned mirror, they sdeenly find themselves on an advenute in the past. At first they don't know how to help th young girls who Christmas party seems ruined.

Alison, Heather, Keisha, and Megan find a golden key that turns out to unlock the attic in a neighbor's old Victorian house. Once inside they find a trunk filled with costumes. When they try them on and stand in front of a mirror, they suddenly find themselves on an adventure in the past!

Heather travels back to the turn of the century England, where she's the center of attention at a fancy ball. But Heather is shocked when her new friend, Lisbeth, is accused of stealing a necklace. Will Heather stick up for her friend? What will the other girls think of her?