When Fawn inherits her late grandfather's decaying mansion, she finds an enchanting secret in a sealed wooden chest: a beautiful antique doll named Millicent. But the most surprising thing about Millicent is that her twin Victoria has been on display in the village antique shop for decades. Why were the two dolls separated? What secret connects them? A string of horrifying accidents and the discovery of a buried family tragedy will soon show Fawn that Millicent should have stayed locked away forever.