Christopher Hitchens, the atheist journalist behind God Is Not Great, spends a debate tour arguing the question "Is Christianity good for the world?" against Douglas Wilson, an evangelical pastor and theologian who takes the opposing side. Director Darren Doane films the pair on stage in front of live audiences at several stops, then cuts between the debates and van rides where the two men talk off the clock, still arguing but without an audience to perform for. The format lets both men build their case at length rather than trading soundbites: Hitchens presses the historical record of religious violence and dogma, Wilson presses back on the moral claims atheism can't ground and the character of the men making the case. The film doesn't referee the debate or supply a verdict; it stays with the two voices and lets their manner, as much as their arguments, do the persuading. What comes through is a genuine friendliness between adversaries who clearly enjoy the fight, right up until Hitchens's diagnosis with cancer gives the final exchanges a different weight.