Movies
A woman's shoulders are the front lines of her mystique, and her neck, if she's alive, has all the mystery of a border town. A no-man's land in that battle between the mind and the body.
— John Milton · The Devil's Advocate

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Here the speaker turns a woman's body into a battlefield map, comparing her shoulders to a front line and her neck to a contested border town. It's an overwrought, seductive way of framing physical allure as a tense standoff between reason and desire, mind and body pulling in opposite directions.
Context reviewed