Through a Glass Darkly tells the story of Ron Hennessey, an Iowa farmer who returned from the Korean War to discover that farming no longer held much allure. Hennessey joined a Catholic missionary society and after nine years of study was ordained a priest and sent to Guatemala. The book describes Hennessey's conversion from being an unapologetic patriot from America's heartland to a staunch opponent of Ronald Reagan's policies in Central America - policies that occasionally threatened Hennessey's life. Hennessey's story has a subtext: America's ideals of freedom, democracy, and progress-with-justice have been violated abroad by one U.S. president after another.