But it's your concept or idea that opens minds and hearts to your story. The higher the concept the more forgiving producers will be of your script. A low concept requires superior writing. If a producer likes your script, he or she must sell it to higher-ups or other producers. The script's story concept, logline, or hook saves the day.
Marketing is the key to success, and marketers know that concept sells.
There are notable exceptions, of course, but each production company is looking for something for their particular market. I'm not asking you to sell out, I'm only asking you to acknowledge reality as you seek a screenwriting career. Here's a few quotes I've heard from Hollywood types. When I hear a good concept, I immediately see a movie. Concept comes in many forms.