The Greatest Of These Is Charity - S7.E5

When the Reverend John Scott becomes the target for abuse and calls for his dismissal by the townsfolk, old friend Dr. Cameron takes a personal interest. True, Scott had failed to turn up at christenings and funerals, and at one point had all but slandered the whole congregation, but as incident piled upon incident it became obvious to Cameron that there was a major health problem involved.