Christina Applegate is Kim Powell in the film The Rocker
She is the mom of A.D.D. lead singer Curtis Powell played by Teddy Geiger.
A.D.D. keyboard player Matt Gadman (Josh Gad) has an uncle Robert “Fish” Fishman
(Rainn “Dwight” Wilson) who was years ago the drummer for Vesuvius.
And A.D.D. needs a new drummer.
Fish gets interested in Kim …
Curtis gets female band member Amelia Stone (Emma Stone)
and Fish of course gets Kim.