Nice video clip, by the way. I haven't seen that film for decades.
Not at all Joseph. You're learning new concepts and asking the same questions I did along with my classmates when I was in school. Once you get a handle on these story concepts, you'll approach writing very differently.
Lets take another look at your Hughs scenario only will map it out with concepts we're learning here:
A bio lab in the next town accidentally vents a virus into the air = EXTERNAL FORCE
Hughs gets the virus = INTERRUPTION of his normal ROUTINE.
Some times filmmakers chose to mix those up:
We see the RESULT of the INTERRUPTION first: Death, sickness, happy couple, wealth, a guy in prison...etc.
Then we may hear the voice of the character setting up the EXTERNAL FORCE that got our hero into trouble. From then on the rest of the film is about how the character struggling against one obstacle after another to make to his/her goal.
What movies use this technique?
Lord Of The Rings
Bat Man (Any of the films)
Borne Identity (Note the beginning of the film)
The list goes on...
Some movies are very straight forward about these concepts, and the shining star among them is:
Lets take a closer look at that film's.
ROUTINE: Luke works on his Aunt and Uncle's farm. As part of his routine he does an errand for his Uncle and leaves for a few hours. While Luke is away, the...
EXTERNAL FORCE: Minions of the Evil Empire come looking for R2-D2 and...
INTERRUPTION: Kill Luke's Aunt and Uncle.
RESULT: Luke is driven to avenge the death of his Aunt and Uncle and become a Jedi Knight