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Zodiac script analysis

Zodiac script - Save the Cat beat sheet analysis

Zodiac opens with a chilling murder that draws cartoonist Robert Graysmith into the Zodiac investigation alongside Inspector Toschi. As letters and ciphers pile up, Graysmith’s obsession deepens, leading him through defeats at the DOJ and personal strain. Ultimately, he confronts his suspect in Vallejo, mirroring the film’s arc from horror to obsessive pursuit and confrontation.

85 Save the Cat fit score 72% analysis confidence / 34 parsed scenes

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1

Opening Image

Scene 1 / Page 1 / 1% target

80%

The film begins with the shadowy stalking and pickup on Beechwood Avenue, setting a dark tone.

We have to get fireworks. I told Dean I'd invited some people over.
2

Theme Stated

Scene 5 / Pages 1-2 / 5% target

70%

At the Chronicle meeting, the first Zodiac letter introduces the theme of obsession with decoding evil.

Dear Editor. This is the murderer-
3

Set-Up

Scenes 4-6 / Pages 2-4 / 10% target

75%

We meet Graysmith at home and at the paper, learn his cartoonist role and glimpse his family life.

I see... bad times today...
4

Catalyst

Scene 3 / Page 1 / 12% target

85%

The brutal murders at Blue Rock Springs spark the Zodiac case.

5

Debate

Scenes 6-8 / Pages 4-6 / 20% target

70%

Graysmith and Toschi question whether to dive deeper into the killer’s ciphers and methods.

6

Break into Two

Scene 9 / Page 6 / 25% target

75%

They officially partner with the Chronicle to analyze letters, propelling them into active investigation.

I understand he takes credit for the Stine killing in the letter?
7

B Story

Scenes 10-11 / Pages 6-8 / 30% target

70%

Graysmith’s relationship with Toschi deepens as they share theories on military connections in the cipher.

Right. Which they find here, here, and here - each with the same two symbols preceding them. So...
8

Fun and Games

Scenes 11-14 / Pages 8-11 / 40% target

75%

They chase leads in library records and military boots while personal strains surface.

They're checking every bus before it rolls tomorrow morning. The letter mentions we won't know if he's already...
9

Midpoint

Scene 17 / Page 12 / 50% target

80%

The news reports Toschi’s isolation after four years without progress, marking a false victory turn.

You see Dave on the news the other day? They really did a hatchet job.
10

Bad Guys Close In

Scenes 19-22 / Pages 12-14 / 65% target

75%

New letters arrive, allegations surface, and Toschi is transferred, intensifying obstacles.

11

All Is Lost

Scene 23 / Page 14 / 75% target

85%

Toschi declares the case over and his career ruined, representing the lowest emotional point.

Fuck matters, Robert, it's over. Twenty five years as a cop and they're transferring me.
12

Dark Night of the Soul

Scene 24 / Pages 14-15 / 80% target

80%

Graysmith pleads his case at the DOJ panel and faces rejection, questioning his path.

When the first Zodiac letter was received in 1968, it contained a cipher that promised when translated to...
13

Break into Three

Scene 32 / Page 17 / 85% target

75%

At Blue Rock Springs, Graysmith resolves to finish his pursuit, signaling a new plan.

There's just one more thing I have to do.
14

Finale

Scene 33 / Pages 17-18 / 95% target

80%

Graysmith visits the hardware store to confront Starr, executing his resolution.

15

Final Image

Scene 34 / Page 18 / 99% target

80%

The face‐to‐face confrontation mirrors the opening murder in confinement and obsession.