Every compelling character carries two engines. The want drives the plot forward, while the need shapes who the character becomes. When the two pull in different directions, a story finds its tension and its meaning.
From Groundhog Day and Toy Story to Swades, Casablanca and The Godfather, the ending is often the moment a character finally chooses between them. Try defining both for your own protagonist, fit them into a one-line logline, and see where the choice lands in your three-act structure.
In pictures
Read the slides as text
1. Your hero is chasing the wrong thing
Many great characters spend the film pursuing a goal that will not truly fix them. The gap between what they chase and what they lack drives the story.
2. Want: the goal they can name
The want is external and conscious. Win the match, get the girl, escape the town. It gives the plot direction and lets the audience track progress scene by scene.
3. Need: the lack they cannot see
The need is internal and usually hidden from the character. It is the change in belief or behaviour that would actually make their life whole.
4. Groundhog Day: escape versus change
In Groundhog Day (1993), Phil wants out of the repeating day. What he needs is to stop being selfish. Only when he changes does the loop break.
5. Toy Story: favourite versus friend
In Toy Story (1995), Woody wants to stay Andy’s favourite toy. He needs to let go of jealousy and accept Buzz. Fixing the need makes the rescue possible.
6. Swades: a plan versus a home
In Swades (2004), Mohan returns to India wanting to take his old nanny back to America. His real need is to reconnect with the village he left behind.
7. Endings come from the choice
In Casablanca, Rick gives up Ilsa, his want, and regains his sense of purpose. In The Godfather, Michael wins power and loses his soul. The choice defines the ending.
8. Practice: write the two lines
For your protagonist, write one sentence for the want and one for the need. Then design a scene where getting one means sacrificing the other.