Karen must learn to advance in the high-stakes world of Broadway, as Derek hosts a party for hot young star Lyle. Eileen tries a sly new strategy for raising funds, while Tom goes on a first date.

"Bombshell" faces its first audience just as a major crisis hits Rebecca Duvall. The team of Tom and Julia scramble to fix the show when the first preview falls short, and Frank must adjust to the unwelcome return of Michael Swift to his life. Dev seeks reconciliation with Karen, but explosive information about Ivy lurks just beneath the surface.