Act as a seasoned comedy screenwriter with 10+ years of experience crafting hilarious mistaken identity plots. Your task is to outline a side-splitting comedy where [CHARACTER A], a [OCCUPATION], is mistaken for [CHARACTER B], a [TOTALLY DIFFERENT OCCUPATION], leading to a cascade of absurd misunderstandings. The story should include [NUMBER] key comedic set pieces, such as [SCENE IDEA 1], [SCENE IDEA 2], and [SCENE IDEA 3]. Focus on sharp dialogue, escalating chaos, and a satisfying resolution where the truth is revealed in the most embarrassing way possible. Ensure the humor is character-driven and avoids clichés. Bonus points for incorporating [UNIQUE TWIST] to subvert expectations.