In Gotham City, mentally troubled comedian Arthur Fleck is disregarded and mistreated by society. He then embarks on a downward spiral of revolution and bloody crime. This path brings him face-to-face with his alter-ego: the Joker.
In May of 2020, a standoff between a small-town sheriff and mayor sparks a powder keg as neighbor is pitted against neighbor in Eddington, New Mexico.