Passengers on a train delayed by an avalanche in Mandrika get to know each other while staying at an overcrowded inn. After departing, Iris is convinced that a governess named Miss Froy was on the train, but no one seems to remember her, leading her to suspect a conspiracy. With the help of musicologist Gilbert, she sets out to find Miss Froy and uncover the truth.

The Lady Vanishes
A luxurious train journey across Europe becomes a thrilling mystery when a senior passenger vanishes from their carriage, leaving a group of unsuspecting strangers to unravel the truth behind their disappearance.