Elizabeth Major and Tom Quinlan had a passionate relationship until Elizabeth broke things off abruptly, seemingly for no reason. Now Elizabeth has her own interior design business in a sleek office building in downtown Dallas, but she can't escape her fiery past with Tom—he ends up right across the hall from her, running a private investigation office.

On a sweltering day in midsummer, a severe blackout traps Tom and Elizabeth alone together in the office building. They can't resist the sparks that fly between them, but can their passion for each other overcome the secrets keeping them apart?