This early scene in Louis Malle‘s Damage (’92) is one of the all-time best of its type — a scene in which penetrating eye contact removes any doubt whatsoever about what will soon transpire. It doesn’t matter that the below clip has been dubbed into German — the absence of native English almost intensifies the effect.
I can think of only one other eye-current scene that works as well — the scene when Warren Beatty runs into Julie Christie at the very end of Heaven Can Wait inside the L.A. Colisseum — they’ve only just “met” in a certain sense, but their shared emotional future is instantly apparent.