From the films own write up:
Full hype here. http://americangun-movie.com/story.htmAMERICAN GUN is a powerful series of interwoven storylines that bring to light how the proliferation of guns in America dramatically affect and shape the every day lives of its citizens. The film opens at the start of another day in a Virginia gun store, where owner Carl (Donald Sutherland), continues to sidestep controversy while running the shop he loves. His newest employee is his granddaughter Mary Ann (Linda Cardellini), a college student pressured to spend a semester in the family business. Despite her misgivings, curiosity overcomes her as she is slowly seduced by the weapons she sells.