Here's a breakdown of the key elements of the exposition:
* Introduction of Leigh Anne and her family: We meet Leigh Anne, her husband Sean, and their two children, SJ and Collins. Leigh Anne is portrayed as a strong, ambitious woman who values family and community.
* Introduction of Michael Oher: On their drive home, Leigh Anne spots Michael Oher, a homeless teenager, walking in the cold with only a t-shirt on. Intrigued and concerned, she insists on taking him home.
* Michael's background: The film reveals that Michael has a troubled past, having been moved through multiple foster homes and experiencing neglect. He is a large, athletic young man, but lacks education and basic life skills.
* Leigh Anne's decision to help: Despite initial resistance from Sean, Leigh Anne is determined to help Michael. She brings him home and offers him food, clothes, and a place to stay.
* The Tuohy family's dynamic: We see the dynamics within the Tuohy family, including Sean's initial skepticism and Leigh Anne's strong maternal instincts. Collins is initially apprehensive, but eventually warms up to Michael.
* Michael's potential: Leigh Anne notices Michael's athleticism and potential for success. She sees a chance for him to overcome his past and build a better life.
The exposition concludes with Michael staying with the Tuohy family, signifying the beginning of his journey towards a new life. The audience is left with questions: will Michael adjust to his new environment? Will he embrace the opportunity given to him? Will the Tuohy family be able to truly help him? These questions propel the narrative forward and set the stage for the development of the central conflict in the film.