Based on the true story of Valerie Solanas who was a 1960s radical preaching hatred toward men in her "Scum" manifesto. She wrote a screenplay for a film that she wanted Andy Warhol to produce, but he continued to ignore her. So she shot him. This is Valerie's story.

On a hot sunny day in Kansas, 1973, Mike Kinross's parents tell him he's going on holiday to his Uncle Dan's house. But instead they drop him off at the juvenile unit of the local mental institution.