Last s/c/ene

There’s a melody playing but I’ve just noticed the counterpoint singing 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 Istanbul to follow the steps of Florence Nightingale . It was in annexed Crimea, still Ukraine some say, where she was last seen”.