sentence: River is a seventeen-year old genius with special powers.
sentences_before: Summer Glau as River Tam'.
sentences_after: She and her brother are taken in by the crew of 'Serenity' after he rescues her from an Alliance. The Alliance's hunt to find River is mainly what the movie is about.
concept_name: river
headings: Serenity (movie) Cast
categories: 2005 movies American action movies American science fiction movies Movies based on TV series Whedonverse Hugo Award winning movies