After representing himself and beating a murder charge, a concert promoter runs for the San Bernardino District Attorney's office against the prosecutor of his case.

Mister America follows Heidecker's attempt to enter the world of politics. After beating a murder charge for selling faulty e-cigarettes at an EDM festival, Tim seeks revenge by running a campaign to unseat the San Bernardino District Attorney. Fueled by ego and ignorance, he tries to surmount a lack of experience, funds and likability by personally connecting with unsuspecting constituents. It does not go well.—John Doe