Re-enactment of the assassination of U.S. President John F. Kennedy as conducted by the Secret Service and the Warren Commission. Tracking shot of adult Caucasian men posing as Kennedy and Texas Governor John Connally Jr. riding in a convertible as it drives on Elm Street, past the Grassy Knoll, the "Fort Worth Turnpike" sign, and under the turnpike bridge as seen from the angle of the Orville Nix film.