After a night gossiping with Father Hernandez over the longest game of Cluedo in history, Ted and Dougal find themselves bullied into being moral crusaders by Bishop Brennan, with disastrous results.

His Holiness has banned the blasphemous nudie film The Passion of Saint Tibulus, but due to a legal loophole Craggy Island is the only place in the Catholic world that can show the film. The Bishop now wants Ted to launch a public protest that will make the Church's disapproval crystal clear.

After a research trip, Dougal is confused by what St Tibulus was doing with that man's banana, but not as confused as Bishop Brennan when he realises Ted's protest has given the film a massive publicity boost...