3 ½ Stunden
August 13, 1961: The passengers on the interzonal train from Munich to East Berlin learn 3½ hours before crossing the border that the Wall is being built in Berlin. They have 3½ hours to make a life-changing decision: to get off the train or keep going.
Starring Peter Schneider, Jeff Wilbusch, Jördis Triebel, Susanne Bormann, Martin Feifel, Hannah Schiller, Alli Neumann, Katrin Filzen, Uwe Kockisch, Luisa-Céline Gaffron
It's a drama and history movie, and has a rating of 6.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Singapore.