A destitute and isolated French lecturer, Marie(37), chooses to pursue a career in adult entertainment while concealing her identity with a disguise, inspired by a unique pornographic film showcasing an elderly and overweight woman. Against all odds, Marie seeks out Lucien, a renowned producer in the industry, despite their decade-long estrangement. Through a series of challenging examinations and strict diet regimens, Marie ultimately lands a role in an erotic movie alongside a captivating and youthful performer, Étienne(20), known for his undeniable charm.