a feeling of expectation and desire for a certain thing to happen if you don't have hope there is no way you can make it because you don't believe you can make it
In this quote, Hope is meaning perseverance and self-determination. Sean is meaning that food & water are important however, a person can’t survive without having the power to force themselves to do tasks. They must have hope that everything will work out in the long run.
The denouement in the plot of a fictional work is the final resolution of all problems that occur within a novel or a play. It is the end result, something that happens when all conflicts are resolved.