1) The trailer uses a male voice over to set the mood that someone is missing and in danger of kidnapping, while visuals show a woman crying for help and being tortured.
2) Sounds of knives and increased music build tension, suggesting the woman is in peril while the danger climaxes.
3) Shots like poisoned wine, vulnerable angles of the woman, and a bare hand completing a crime establish themes of danger, mystery, and a criminal plot.
4) Editing techniques like faster cuts and zooming confuse the audience and draw them into the film's narrative to encourage watching the full movie.