"The City of Ember" is a science fiction book by Jeanne DuPrau that was adapted into a feature-length film. The primary conflict in the story is the difficulty that young heroes Lina Mayfleet and Doon Harrow face in their efforts to escape their underground city to find a new source of light to save their people.
Additional Conflict Elements
In their pursuit of light, the pair face a key challenge from greedy Mayor Cole, who relies on the oppression of the people to maintain power and control. He creates a significant obstacle as the two look to maneuver their way through the city. In the bigger picture, their battle is also against the psychological limitations the citizens have placed on themselves because they have accepted the status quo from their political leaders.