Three years in the making, Gates of Hell is a documentary from the year 2016 that chronicles the crimes of a band of domestic anti-abortion activists known as the Zulu 9. The story unfolds with a Finnish filmmaker traveling to the United States to better understand the reasoning that drove them to commit extreme acts of violence against abortion providers. As the story unfolds, the Zulu 9 go from being perceived as terrorists to winning favorable public opinion for their ability to achieve real change on the abortion issue.