"Bertie and Kate have been best friends since high school...[Bertie's] job depresses her, but not as much as the fact that Kate has recently decided to move...When Bertie's attempts to make Kate stay fail, she suggests the next-best thing: a trip to Paris...One night in Paris, they meet a strange man in a bar who offers them a private tour of the Louvre. The women find themselves alone in the museum, where nothing is quite as it seems. Caught up in...

"When Lulu was a child, her strong-willed grandmother Ada filled her head with fables of the family's enchanted history in the Polish countryside. A fantastical lore took hold -- an incantatory mix of young love, desperate hope, and one sinister bargain that altered the family's history forever. Since that fateful pact, Ada tells Lulu, each mother in their family has been given a daughter, but each daughter has exacted an essential cost from her mother....