It talks about the theft of a wedding dress from a museum and how the Thea sisters against all odds try to retrieve it and transport it to its rightful owners, the museum, by an express train. Before they undertake their journey there is talk of the Acrobat Thief planning to lay siege on the dress and steal it. The dress belongs to an Istanbul Museum and the Thea sisters are VIRs or very important rodents in the book. The celebrity rodents in the book vie for the Thea sisters in the book.