A Hero is the latest film from director Asghar Farhadi, which centres on a man on leave from jail for 2 days, has an opportunity to do a good deed to help his image.

It tackles this idea of morality and what a "good deed" really is. What makes someone truly good and how can you infer when something is done out of pure kindness rather than manipulation or a need for validation. That's a fine moral line that Farhadi…