The Save the Cat beat sheet

Save the Cat is Blake Snyder's beat sheet: fifteen named story beats, each with a conventional placement as a percentage of the total story. Snyder published it in 2005 as a screenwriting method, and it has since become one of the most-used structure references for novels, where writers apply the same beats to manuscript percentages. It is a planning and diagnostic tool, not a formula: the beats name jobs the story needs done, and you decide how yours does them.

The fifteen beats

Act one:

1. Opening Image (around the first 1%). A snapshot that sets the tone, often the "before" picture of the hero or the world.
2. Theme Stated (around 5%). A line, usually dialogue, that states what the story is about, often voicing the hero's flaw.
3. Setup (roughly the first 10%). The hero's status quo: home, work, play, and the flaws on display.
4. Catalyst (around 10%). The life-changing moment that sets the story in motion.
5. Debate (10 to 20%). The hero's doubt, denial or preparation before committing.

Act two:

1. Break into Two (around 20%). The no-turning-back decision; the hero enters the new world.
2. B Story (around 22%). The secondary story, often love, friendship or mentorship, that carries the theme.
3. Fun and Games (20 to 50%). The promise of the premise: the parts the trailer is made of.
4. Midpoint (50%). A false victory or false defeat that raises the stakes, sometimes starting a ticking clock.
5. Bad Guys Close In (50 to 75%). External and internal pressures mount; things get worse.
6. All Is Lost (around 75%). The rock bottom; a "whiff of death" for something.
7. Dark Night of the Soul (75 to 80%). The hero takes stock of the loss.

Act three:

1. Break into Three (around 80%). New information shows how the problems can be fixed.
2. Finale (80 to 99%). The showdown that proves the hero has changed.
3. Final Image (the last 1%). The "after" picture, usually mirroring the opening image.

How to read the sheet

Three beats do most of the work, and they are the ones to place first. The Catalyst starts the plot; the Midpoint flips its direction (and often its stakes); the All Is Lost forces the internal change the Finale will prove. If those three land where they should, the sheet's remaining beats tend to organize themselves around them.

The B Story deserves special attention from novelists: it is where the theme is argued by characters other than the protagonist, usually the love interest, the friend or the mentor. A book whose middle sags often has an empty B story: nothing counterpoints the plot.

The paired Opening and Final images are a compact revision tool. Choose two images that rhyme, decayed and restored, and the book's shape becomes visible in one glance.

Using it without being used by it

• Percentages are guides, not gates. A Catalyst at 12% is fine; a Catalyst at 35% is a structural decision your readers will feel, and you should know you are making it.
• Beats are jobs, not scenes. Your Catalyst can be a letter, a diagnosis, a wrong door. The sheet does not care.
• Skip beats deliberately. Literary and episodic forms may not want a midpoint reversal at all; kishotenketsu builds shape from a twist instead.
• Use it on the draft you have. Mapping an existing manuscript to the fifteen beats is the fastest structural diagnosis available: the beat you cannot find is usually the one the draft is missing.

Where it came from and where it fits

Snyder's fifteen beats condense a much older conversation: the three-act structure and the Hero's Journey cover similar ground at coarser resolution, and Dan Harmon's Story Circle compresses it to eight steps. Choosing among them is a matter of resolution: three acts to see the shape, fifteen beats to plan scenes, eight steps to check a character's arc.

Structure and canon are different problems

A beat sheet tells you what should happen next; it will not tell you whether chapter eighteen contradicts chapter seven. Structure planning and continuity tracking are separate jobs that long stories need both of, which is why outlines and story bibles exist as different documents.