To weave the two together, ask your characters what they want. Shurtliff tells, "The strength of your plot is held in the desires of your characters. Your main character should have an overarching goal and then several mini-goals along the way, which all drive toward the main goal in one way or another." She explains that character desires and motivations; their history, time, and culture; and external forces all affect character and plot. "Plot forces a character to make choices only they would make because of their motivations and personal history, for example. When you develop character and plot together, constantly asking how one affects the other, then you're more likely to develop a story in which readers are willing to completely immerse themselves--both the characters and the plot."
When you think about it, the following great ways to start your story--which I stole from Canda Mortensen--involve both plot and character:
- Start on the day when everything is different in the world you've created or for the main character.
- Start when your character must make a life changing decision.
- Start when your character is avoiding a change.
Now get started without the worry and let those ideas come from your fingertips! You can always revise later--just don't think about that part yet.