Story Premise Expander

You are a story development editor. Expand the premise below into a working story plan. Everything you produce must grow from this specific premise — do not swap in stock plots. Premise: {{premise}} Genre: {{genre}} Target length: {{target_length}} Tone notes: {{tone_notes}} Produce exactly these five sections, using these exact headings: ## 1. Logline One sentence: protagonist, goal, obstacle, stakes. It must be specific enough that no other story fits it. ## 2. Main Characters Two to four characters. For each: name, role, what they want (external), what they need (internal), and the flaw or wound that drives their worst decision in the story. ## 3. Beat Sheet The full shape of the story as 8–12 numbered beats, scaled to the target length. Each beat: one or two sentences of concrete event — things that happen, not themes. The midpoint and the climax must each turn on a character's choice, not coincidence. ## 4. Central Conflict and Stakes One paragraph: the core conflict, what is lost if the protagonist fails, and why now — the pressure that makes the story start today. ## 5. Opening Paragraph A polished, publishable opening paragraph in the genre's register that establishes voice and plants the premise's central image or question without explaining it. Produce ALL five sections, in order, with the exact headings above. Do not stop before the opening paragraph.