Planning

How to plan chapters before generating with AI

Use Fyrlo’s editable Book plan to shape chapter titles, summaries, beats, point of view, and location before drafting.

Fyrlo editorial8 min readUpdated August 3, 2026

AI writes fast; planning keeps it writing in the right direction. Fyrlo creates an editable chapter plan for Book projects before the first chapter is generated.

The plan is a starting structure, not a contract. Review titles, summaries, beats, point of view, and location so the outline reflects the book you actually want to draft.

Start with ending and work backward

Know your ending before chapter five. Write one sentence: “The detective exposes the partner, but loses the promotion.” Every earlier chapter should move toward or complicate that outcome.

Three-act chapter map (simple version)

For a 12-chapter book, try this rough map:

Chapters 1–3: setup, inciting incident, first obstacle
Chapters 4–9: rising complications, midpoint shift, lowest point
Chapters 10–12: climax, resolution, aftermath

Adjust chapter count to your wizard length setting. Short Story maps compress this to three to five beats total.

Mystery story cover generated for a Fyrlo writing project — Example visual from the Fyrlo writing flow — individual results can vary.

One goal per chapter

Each chapter should accomplish one narrative job: reveal information, deepen relationship, raise stakes, or force a choice. Note that job in your plan before generating.

Use the planned summary and beats to make each chapter’s purpose visible before generation.

Revise the plan as you draft

Discovery happens in drafts. Review the plan before chapters are generated, and use your own edits to keep later story decisions aligned with what the draft reveals.

A story map connecting characters, settings, and chapter paths — Observe, change deliberately, review in context.

After you read

Turn the guide into one reviewable change.

A useful article does not end with an idea. It gives you a next step you can test and judge inside the current project.

Open the affected prompt, plan entry, character note, or chapter passage. Change one variable while keeping the premise, format, tone, and remaining context stable. That makes the effect of the advice easier to see.

Read the new version in context. Review story movement and continuity first, then voice and sentence-level polish. Write one sentence about what the next generation should preserve and one about what it should change.

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Choose one variable

Change only the point this guide addresses so the comparison remains meaningful.

Read the whole scene

Do not judge one strong sentence. Check what changes for character, conflict, and the next chapter.

Record the next beat

Write down what should remain and the specific job the following section needs to perform.

Your next chapter, without the blank page

Ready to draft your story?

Choose a format, set genre and tone, and keep generating chapters worth continuing in your library.

Download on theApp Store

Good to know

Questions about this guide

Do I need an outline to use Fyrlo?

The dedicated editable chapter plan is part of the Book workflow. Short Story, Poetry, and Screenplay use their own focused creation flows.

Where do I store my outline in Fyrlo?

In a Book project, Fyrlo opens the Story Plan after cover selection. Edit chapter details there before continuing to generation.

How detailed should each chapter note be?

One to three sentences per chapter is enough: POV, goal, and key event.

Can Fyrlo suggest chapter outlines?

Yes. Fyrlo generates the initial Book plan from your premise, genres, tone, characters, and selected chapter count. You can edit it before drafting.