I remember seeing this movie on TV in 1985-1986. There is this nerdy guy with glasses who is trailing this guy, who I think is a killer or at least a really bad guy. I think the nerdy guy is foreign because he does not know where things are and he meets this woman who says “What did you do? Put a pin in a map? When the bad guy finds out who the other guy is, there is a scene where he removes the guy’s glasses and then punches him in the face.