The document analyzes the trailer for The Dark Knight and discusses strategies for an effective trailer. It notes that the Dark Knight trailer begins with extreme high angle shots of the city at night to set the urban location. It then cuts to a black screen with a voiceover saying "Where do we begin." The main part of the trailer features a voiceover from the Joker who talks about how much control the police have in the city and that he plans to kill Batman. Key characters like Bruce Wayne, Harvey Dent, Alfred, and Rachel are introduced. Bruce and Rachel are in a relationship but she is currently dating Harvey. The trailer shows Batman must confront his own feelings and save the city from the chaos caused by the Joker