Daisy Wells and Hazel Wong are taking a holiday on the famous Orient Express. From the moment they step aboard, it's clear that everyone in the first-class carriage has something to hide. Then a scream is heard, and a wealthy heiress is found - murdered. But the killer has vanished, as if into thin air... Daisy and Hazel must solve their first locked room mystery - and face competition from several other detectives, who are every bit as determined. 

The third book in the Murder Most Unladylike Mystery series.