Last s/c/ene

There’s a melody playing but I’ve just noticed the counterpoint played on some slightly lower instrument. Quite different to the tune you might whistle but there all along having a crucial effect. How could I not have noticed this until now in this last scene?

My hero set off on her motorcycle from London to follow in the steps of Florence Nightingale to Istanbul. It was in annexed Crimea, still Ukraine they say, where she was last seen.