Daisy is embarking on a journey to Edinburgh and her biggest worry is that she has forgotten her book, so how will she pass her time? Once the journey begins Daisy finds a pint-sized stowaway on board - Belinda, the daughter of dreamy Detective Chief Inspector Alec Fletcher, Daisy's beau. Daisy and Belinda run into a bickering Scottish clan en route to the deathbed of the head of the family. But before the express reaches its first stop, one of the greedy McGowans has turned up dead. Is it murder? Daisy's willing to bet her first-class ticket it is!