The document analyzes the opening sequences of the films Trick 'r Treat and Hide and Seek. It discusses how both openings use techniques like montage editing, changes in music and pace, and unconventional text to set the tone and build tension. Specific techniques highlighted include jump cuts in Trick 'r Treat and flashing images in Hide and Seek to pique audience interest without revealing too much. The document also examines the use of black and montage editing to depict themes of mystery, grief and the scope of terror without showing full details.