In these off-the-record interviews, playwright, filmmaker and self-described atheist Jonathan Miller filmed conversations with six of today's leading men of letters and science: the biologist and New York Times best-selling author Richard Dawkins, philosophers Daniel Dennett and Colin McGinn, distinguished playwright Arthur Miller, theologian Denys Turner and Nobel Prize winning physicist Steven Weinberg, who discuss their personal intellectual journeys and offer an illuminating analyses of nontheism from a wide range of perspectives.