Narrative Structure

The simplest way to explain narrative structure is-

Beginning-Middle-End 

But in terms of many film they need to be considered as-

Equilibrium-Disequilibrium-Equilibrium

The largest part of the film is the Disequilibrium as this is where the main character will undertake there main quest. this is where the disruption is restored to the order it was in before.

The last of the ways to explain the structure of narratives is a map of how a film may turn out- 

The Hero/ine are in normaility and then the agent of change occurs either the villian or a problem. The problem then leads onto the quest in which the hero must undertake and when the problem is sorted there is a resolution.

When looking at any narrative this can be applied,