In the novel, after Atticus agreed to defend Robinson, nearly the whole town of Maycomb was against him. They represented the evil side while Atticus and a few people like Miss Maudie were the good. Through out the course of the story, these people made life very difficult for Atticus. They shouted daily abuses, threats at him. The night before the trial, his life was on the line when the town's mob confronted him alone. Even his kids, entirely innocent, could not escape these attacks. At school, Scout and Jem were constantly teased by their peers with the barrages of “Your father's a nigga's lover', or “He's weak and can go to hell”. This pressure by the people placed enormous amount of stress on the Finch's family. It strained their relationships and questioned fearlessly their ideals or so to say the good in them. Atticus would've easily given up the case, spared himself and his children daily pain and exertions. Instead, he stayed true to his values and encouraged his children to follow his example and in the end, even though, the Robinson's case lost, the good did not. In fact, in many ways, they were victors, who managed to confront the justification of justice in the people of the town, forced them to re-evaluate themselves and their actions and showed them the light.
The film continues this theme of good and evil. However, this time, instead of spreading the spotlight across the whole town, the director chose to focus it more individually, with one person for the evil side, Mr. Ewell and one for the good, Atticus. Mr. Ewell, who was really only described through his actions in the novel, is now