In bustling turn-of-the-century England, irrepressible man-of-faith Evan MacIan and staunchly combustible atheist James Turnbull find themselves at odds in their beliefs and determine the only way to settle their debate is to engage in a duel to the death. The only hang-up? Dueling is illegal in the modern world. What follows is a raucous adventure across the English countryside as the sworn enemies find themselves becoming unlikely allies in a world that no longer has a place for those willing to die for their beliefs.