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How to Write a Novel Synopsis Agents Actually Want

By Alyssa Matesic — former Macmillan and Penguin Random House editor · Updated June 2026 · 8 min read

The short version: a synopsis is a 500–800 word (1–2 page) summary of your novel's complete plot arc — written in present tense, third person, with the ending included. Unlike the query letter, which seduces, the synopsis informs. Agents use it to check that your story works: that the middle doesn't sag, the climax follows from the setup, and the ending lands.

Synopsis vs. query: different jobs

Writers conflate these constantly, and it costs them. The query's description (~150 words) pitches the situation and stops at the dilemma. The synopsis walks the whole arc — inciting incident, escalating complications, dark moment, climax, resolution — and absolutely reveals the ending. Holding back your twist in a synopsis is the single most common mistake we see; agents read it as either coyness or a sign the writer doesn't trust their own ending. The agent is your business partner, not your reader.

The mechanics

A paragraph-by-paragraph template

Paragraph 1 — Setup + inciting incident. Who the protagonist is (one clause of context: occupation, wound, want), the world they occupy, and the event that breaks their normal. End with the choice that launches the story.

Paragraphs 2–3 — Rising complications. The protagonist's plan, what it costs, the antagonist or counter-force, and the midpoint reversal that changes what they think they're doing. Keep cause-and-effect explicit: "because X, she must Y."

Paragraph 4 — The dark moment. The plan fails, the secret comes out, the ally is lost. Name what the protagonist now stands to lose — this is where stakes live.

Paragraph 5 — Climax + resolution. The final confrontation, the choice that resolves the internal arc, and the actual ending — including the twist. One or two sentences of aftermath: who the protagonist is now.

Subplots earn a sentence only if they affect the main arc's outcome. Worldbuilding earns a clause only when a plot turn depends on it. If you can delete a sentence and the chain of cause-and-effect still holds, delete it.

Common synopsis mistakes

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When you'll actually need it

Not every agent requests a synopsis up front — many ask only for the query plus opening pages, then request the synopsis with a full or partial. Write it before you start querying anyway: you'll need it on short notice, and the discipline of compressing your plot to 700 words is the best structural diagnostic a self-editing writer has. Pair it with the query letter guide and check each agent's exact requirements in the database before submitting.

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