Pushed to his breaking point, a master welder in a small town at the foot of the Rocky Mountains quietly fortifies a bulldozer with 30 tons of concrete and steel and seeks to destroy those he believes have wronged him.
Tread is a 2019 American documentary film directed by Paul Solet. It premiered at the South by Southwest film festival in March 2019, and to limited theatres and on Netflix on February 28, 2020.