The story might revolve around a character facing some sort of mystery or danger and their attempts to overcome it. But I haven't read it myself, so I'm not sure exactly.
Not necessarily. Barry might draw some inspiration from real life, but it's likely to have been embellished or fictionalized for dramatic effect. Many stories like this take liberties to make them more engaging.
Jessica Lynch was a U.S. soldier. Her story was initially misrepresented by the media. In fact, she was injured in a vehicle accident during the Iraq War. Later, she was captured by Iraqi forces. The real heroism lies in her survival and recovery from the ordeal, rather than the over - hyped 'action - hero' narrative that was initially spread.