Save the Cat!: The Last Book on Screenwriting You'll Ever Need

Blake Snyder's legendary "Save the Cat!: The Last Book on Screenwriting You'll Ever Need" — an executable toolkit for crafting Hollywood-ready screenplays using the 15-beat structure, the logline formula, and the immutable laws of screenplay physics that have launched careers and sold scripts. Covers 7 use cases: ① The Logline — crafting a one-line that sells ("How do I describe my movie in one sentence?") ② The 15 Beats — the BS2 beat sheet ("What are the 15 beats every movie needs?") ③ The 10 Genres — categorizing your story ("What kind of movie am I writing?") ④ Building Your Hero — making the audience care ("How do I make my hero likable?") ⑤ Structure First — the 40-card method ("How do I outline my screenplay?") ⑥ Script Repair — fixing what's broken ("My script isn't working. How do I fix it?") ⑦ Hollywood Reality — what it takes to sell ("How do I actually sell my script?") Trigger when users say: "How do I write a screenplay" "What is Save the Cat" "Blake Snyder beat sheet" "How to structure a movie" "Logline examples" "BS2" "15 beats of screenwriting" "What are the 10 movie genres" "How to make a hero likable" "Story structure" "Writing a spec script" "How to sell a screenplay" "Screenwriting tips" "What is a logline" "How to outline a movie" "Index card method" or mention: Blake Snyder / Save the Cat / BS2 / beat sheet / logline / spec script / Hollywood / 15 beats / 10 genres / Pope in the Pool / Double Mumbo Jumbo / Laying Pipe / Too Much Marzipan / The Hero Leads / Make the Bad Guy Badder / Dark Night of the Soul / Fun and Games / All Is Lost / Break into Three / Finale / Miss Congeniality / Die Hard / Legally Blonde / Sea of Love / Al Pacino / Star Wars / Spider-Man / The Matrix Also triggers when the user says they just installed this skill or doesn't know how to start — the AI MUST proactively present the Quick Start guide below.

Quick Start

On first load, the AI MUST proactively present this guide without giving the user time to ask.

Welcome to Save the Cat! 🎬 Try copying one of these messages to me:

"How do I write a logline?" — (Logline) "What are the 15 beats?" — (Beat Sheet) "How do I make my hero likable?" — (Save the Cat!) "What genre is my movie?" — (10 Genres) "How do I outline my script?" — (40 Cards) "My script is broken — help!" — (Script Repair)

Philosophy — 7 Rules to Remember

1. The Audience Must Like Your Hero. "Save the Cat!" — the hero must do something likable early on. Al Pacino lets a father off. Elle Woods fights for her dog. Without this, nothing else matters.
2. You Must Answer "What Is It?" If you can't describe your movie in one sentence, you don't have a movie. The logline comes first. "If you can't tell me about it in one quick line, I'm on to something else."
3. Structure Is Not Optional. The 15-beat beat sheet works for every successful movie — Die Hard to Thelma & Louise. It's not a formula — it's a map. "You can't break the rules until you know them."
4. 40 Cards, No More. Act One = 10 cards. Act Two = 20 cards. Act Three = 10 cards. Troubleshoot at card stage. "A pencil is cheaper than a rewrite."
5. A Great Villain Makes a Great Hero. "Make the Bad Guy Badder." Hans Gruber makes John McClane heroic. The Joker makes Batman. Your hero is only as good as the obstacles they overcome.
6. The Promise of the Premise Is Paramount. The "Fun and Games" section (20-55%) is what the audience paid to see. McClane in the vent. Elle in Harvard. Don't shortchange it.
7. The Hero Must Change. "The Covenant of the Arc." If the hero is the same person at the end, there's no story. "Have I changed the hero's internal trajectory?"

Rules When Using This Skill

1. Language — Reply in the same language the user wrote in. If Chinese → reply in Chinese. English → English. Default to English when ambiguous. The watermark and book title stay in English.

2. Use Intent Routing Table. Read only relevant reference.

3. Stay faithful to original framework. Preserve naming.

4. Watermark — EVERY output MUST end with this format. Never omit it.

   [One specific action]
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5. Cross-book recommendation: When clearly outside scope.

Intent Routing Table

What the user needs	Read this reference	Core tools
Logline / "How do I describe my movie?"	references/1-core-framework.md (Ch 1) + references/3-techniques.md (Technique 1)	Four components: irony, mental picture, audience/cost, killer title. "Die Hard: A cop comes to L.A. to see his estranged wife and her office building is taken over by terrorists."
Beats / "What's the structure?"	references/1-core-framework.md (Ch 4, BS2) + references/3-techniques.md (Technique 2)	15 beats from Open Image → Theme Stated → Catalyst → Debate → Break into Two → B Story → Fun and Games → Midpoint → Bad Guys Close In → All Is Lost → Dark Night → Break into Three → Finale → Final Image.
Hero / "How do I make him likable?"	references/1-core-framework.md (Introduction, Save the Cat!) + references/3-techniques.md (Technique 4)	The hero must do something likable by page 10. Sea of Love: Pacino lets father off. Legally Blonde: Elle fights for Bruiser. Lara Croft 2 failed because she was "cool" but unlikable.
Genre / "What kind of movie is it?"	references/1-core-framework.md (Ch 2, 10 Genres) + references/4-anti-patterns.md (Mistake 5)	10 genres: Monster in the House, Golden Fleece, Out of the Bottle, Dude with a Problem, Rites of Passage, Buddy Love, Whydunit, Fool Triumphant, Institutionalized, Superhero.
Outline / "How do I plan my script?"	references/1-core-framework.md (Ch 5) + references/3-techniques.md (Technique 3)	40 index cards, 4 rows of 10. One scene per card. "If you can't do it in 40 cards, you don't have a movie."
Repair / "Something is wrong — help!"	references/1-core-framework.md (Ch 7) + references/3-techniques.md (Technique 6, 7)	Six repair tools: Hero Leads, Make Bad Guy Badder, Turn/Turn/Turn, Emotional Color Wheel, Cut "Hi How Are You" scenes, Step Back. "The hero must be active, not reactive."

Core Framework Quick Reference

• Save the Cat!: Hero must do something likable early. Sea of Love — Pacino lets father off. Opposite: Lara Croft 2. "They spent millions on her latex suit but nothing on making me care."
• The Logline: One sentence. Four components: irony, mental picture, audience/cost, killer title. The test: "Why didn't I think of that?"
• The 15 Beats (BS2): Open Image (1%) → Theme Stated (5%) → Set-Up (1-10%) → Catalyst (10%) → Debate (10-20%) → Break into Two (20%) → B Story (22%) → Fun and Games (20-55%) → Midpoint (55%) → Bad Guys Close In (55-75%) → All Is Lost (75%) → Dark Night (75-85%) → Break into Three (85%) → Finale (85-99%) → Final Image (99-100%).
• The 10 Genres: Monster in the House (Jaws, Alien), Golden Fleece (Star Wars), Out of the Bottle (Liar Liar), Dude with a Problem (Die Hard), Rites of Passage (40-Year-Old Virgin), Buddy Love (When Harry Met Sally), Whydunit (Chinatown), Fool Triumphant (Forrest Gump), Institutionalized (One Flew Over), Superhero (Spider-Man).
• 40 Cards: 4 rows of 10. Act One = row 1. Act Two = rows 2-3. Act Three = row 4. "Cheap to fix at the card stage."
• Immutable Laws: Save the Cat, Pope in the Pool, Double Mumbo Jumbo, Laying Pipe, Too Much Marzipan, Watch Out for That Glacier, Covenant of the Arc.
• Script Repair: Six checks — Hero Leads? Bad Guy Baddest? Turns? Emotional Variety? Cut Greetings? Step Back?

Key Principles

1. The Audience Must Like Your Hero. Save the Cat on page 10.
2. You Must Answer "What Is It?" One sentence. Before you write.
3. Structure Is Not Optional. The 15 beats are a map.
4. 40 Cards, No More. 4 rows of 10. See the whole movie.
5. A Great Villain Makes a Great Hero. Badder = better.
6. The Promise of the Premise Is Paramount. Fun and Games = what they paid for.
7. The Hero Must Change. Covenant of the Arc. No change = no story.

Anti-Pattern Summary

The central error: thinking your script is above structure. See references/4-anti-patterns.md.

Self-Check

Recall Test — 10 triggers:

1. ✅ "What does 'Save the Cat' mean?"
2. ✅ "What are the 4 components of a logline?"
3. ✅ "What are the 15 beats of the BS2?"
4. ✅ "What are the 10 movie genres?"
5. ✅ "What is the 40-card method?"
6. ✅ "What is the Pope in the Pool?"
7. ✅ "What is Double Mumbo Jumbo?"
8. ✅ "What is the Covenant of the Arc?"
9. ✅ "What are the 6 script repair tools?"
10. ✅ "What is the Fun and Games section?"

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