Complex sentence: The film is a dramatization of the real-life story of Brandon Teena, a transman played in the film by Hilary Swank, who is beaten, raped and murdered by his male acquaintances after they discover he is anatomically female.
Split into simpler sentences: The film is a dramatization of the real-life story of Brandon Teena, a transman played in the film by Hilary Swank. Teena is beaten, raped and murdered by his male acquaintances after they discover he is anatomically female.