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.
A man foils an attempted murder, then flees the crew of would-be killers along with their intended target as a woman he's just met tries to find him.