The Mystery of the Locked Compartment

Daisy Wells and Hazel Wong are travelling on the famous Orient Express for the holidays. From the moment the girls board, it's clear that every passenger on this luxurious train is hiding something. Then a scream rings out from one of the compartments, and a wealthy heiress is found dead. The murderer has left no trace—it’s as if they have vanished into thin air. Daisy and Hazel will have to solve their first locked-room mystery, all while facing off against several other detectives who want to crack the case before they do.