Movies have always used a range of cliches and tropes to deliver fans more of what they want. Many of the best tropes in cinema can actually be traced back to some iconic twists that had audiences impressed and wanting more. A great twist can either set up a sequel, demand audiences watch it a second time or shock audiences that the story went in a direction it did, causing a range of emotions.
Source：https://www.cbr.com/movie-plot-twists-tropes/
