Writer/director James Gunn shares the plot for the never-made "Scooby-Doo 3" live action movie
https://www.cbr.com/james-gun-scooby-doo-3-plot-details/
The Mystery Inc. gang are hired by a town in Scotland who complain they're being plagued by monsters but we discover throughout the film the monsters are actually the victims and Scooby and Shaggy have to come to terms with their own prejudices and narrow belief systems.
https://www.reddit.com/r/movies/comments/fv27w5/writerdirector_james_gunn_shares_the_plot_for_the/ share