you find the coal smudges on one of the luggage cases after the train stops unexpectedly
In the back of the train
the train will stop for a moment then you'll get back on. Then you go to the luggage car then you'll find coal smudges on one of the pieces of luggage. Then she'll be there. Then you ask her a question then she'll give that idea.
ask a differrent
you find the key
you die
You go talk to everyone
tell the train driver stop the train until you find her key
its behind the birdie poster on him wall.
you give him prune juice and you find a luggage key.
in his cabin you can find it by running through the train cars and entering the door that says (Thomas Edison)
She is in the Cabin labeled Milla Meason or something like that
In Eric Weiz (is that his name?) room. You go in, and find it on the floor.