Story Idea for The Incredibles
After supers were made illegal, a goup of supers that want to get rid of the government formed. (The name of the group is up to you, along with the exact time of its creation, though younger generations would be more resistant to laws they see as restricting)
Rick Dicker, or another agent, asks Violet to infiltrate the group, as he beleives they may, or have, become an active threat. (She is not a known superhero like Bob and Helen, so she can enter with little problems; while it may be a group of supers, how far they go is the issue)
Along the way she either becomes romanticly involved with a member (Voyd) or starts to accept their ideals.
(Both Dash and Violet show they are resentful of the fact they can't use their powers due to the law; Violet is a teenager, and she does become resentful of superheros in Incredibles 2 due to the whole thing with Tony.)
So the struggle is her morality(law) against what she wants (love and/or freedom).
Like all my suggestions, free to use, though if you try it add the title in the comments. No details are set in stone so feel free to change details.