I am trying to find a plausible answer to a question about a scenario in a movie that involves travel across borders in Europe and what is possible in real life.
Question:
If I am in a country that does not have an embassy of my passport country, and my passport is lost while there, can I travel without any ID to a second country that DOES have an embassy in order to get a new passport or ID (or any other excuse that can get you across the border)?
Context:
In the movie The Bourne Identity, Jason Bourne was able to get from Imperia, Italy to Zurich, Switzerland with only cash using the train. At the time he had no ID whatsoever on him, just cash.
Many people wonder how Jason got from Italy to Switzerland without any form of ID. The movie was filmed/released in 2002 and at that time Switzerland was not part of the Schengen area, so I am pretty sure there would have been ID checks when crossing the border.
Personal experience:
I travelled from Germany to Denmark (both Schengen countries) in 2022 by train and was asked to show my passport which I thought was very strange. Don't recall if I had to show my passport when I travelled from Germany to the Netherlands. Surprisingly, I travelled by plane within Schengen countries a lot and was not once asked to show my passport, only when I travelled by train.
So I am wondering if there is some rule or excuse that could get you across borders anywhere, preferably throughout Europe for the sake of this question, either now or before when the movie was filmed, without any ID at all in special circumstances, like the one mentioned above ie "I lost my passport and am on my way to the nearest embassy in the next country to get a new one?" or if this is "just a movie" in this case. And movies aside, if I did get in a situation where I lost my ID and the nearest embassy is in another country, what can I do? Can I go there (cross the border) without ID?