I don't think it's a true story in the direct sense, like a memoir or biography. 'Sweet Obsession' reads very much like a steamy, high-drama romance novel, the kind with possessive billionaire tropes and intense, borderline toxic relationship dynamics. Real life rarely plays out with that kind of theatrical, concentrated tension and those perfectly timed misunderstandings.
That said, Callie Rose often pulls from real emotional truths—the fear of abandonment, the craving for unconditional acceptance, the blurry line between passion and control. The feelings might be authentic, even if the specific events of a billionaire kidnapping someone or a mafia kingpin declaring war over love are pure fiction. Her stories feel emotionally resonant, not factually accurate.
I'd file it under 'emotionally true but factually fabricated'. It's a fantasy, and a pretty effective one if you're in the mood for that.