What Does Synopsis Mean? Definition, Example and How to Write One

A synopsis is a short summary of a whole story, from beginning to end, including the ending. The word comes from Greek and means "seeing together", which is exactly what a synopsis does: it lets someone see the entire plot at a glance. In publishing, a synopsis is usually a one- or two-page document that literary agents and editors ask for along with your query letter, so they can check that your story works before they read the manuscript.

A synopsis is not a blurb. A blurb (the text on the back cover or the Amazon page) teases the story and hides the ending. A synopsis tells everything. Below is how they differ, how to write one, and a complete example you can model yours on.

Synopsis vs blurb, summary and logline

"Summary" is the general word for any shortened version of something. A synopsis is a specific kind of summary: a full plot summary of a book (or film or play), written for people who need to judge the story.

Why agents and editors ask for a synopsis

An agent reading your first chapters can tell whether you can write. What they can't tell is whether the story holds together for 300 pages. The synopsis answers that:

• Does the plot have a clear shape, with rising stakes and a real climax?

• Does the main character change, or at least make meaningful choices?

• Does the ending pay off what the beginning set up?

• Is it the kind of book they can sell?

Agents often skim the synopsis after the sample pages, when they're already interested. A clear one can tip them into requesting the full manuscript. A confusing one can make them doubt the book.

How long should a synopsis be?

Always follow the agent's or publisher's guidelines first. If they don't say, aim for:

• One page, single-spaced (around 500 to 700 words). This is the most common request now.

• Two pages (up to about 1,000 words) if it's allowed and your plot really needs it.

Long "chapter-by-chapter" synopses used to be common but are rare today. If you have a 10-page version, keep it for yourself as a planning tool, and write a one-pager for submissions.

How to write a synopsis, step by step

1. Write the story in one sentence. Who wants what, what stands in the way, and how it ends. This is your spine.

2. List the key turning points. The opening situation, the event that kicks off the story, two or three major turns, the darkest moment, the climax, and the ending. Most synopses only need six to eight events.

3. Connect them with cause and effect. Use "because", "so" and "but" more than "and then". A synopsis that reads like a list of events is the most common weakness.

4. Keep the focus on the main character. Mention only the two to four other characters who drive the plot. Introduce each with a few words about who they are.

5. Show the emotional arc. One sentence here and there on what the character feels or decides makes it a story, not a timeline.

6. Tell the ending. Plainly, including any twist.

7. Cut. Remove subplots, minor characters, setting description and backstory that the main plot doesn't need.

Standard conventions: write in the present tense ("Mara finds the note"), in the third person, even if the novel is in first person. Many writers put a character's name in CAPITALS the first time it appears, which makes it easy to scan. Write in the same tone as your book: a comedy synopsis can be light, a thriller synopsis should feel tense.

A complete synopsis example

Here's a one-page synopsis of an invented novel, The Harbor Light, about 330 words:

MARA KELLY, 28, has run the failing lighthouse on Dunmore Point alone since her father's death. When the harbor board announces it will automate the light and sell the keeper's house, she has one month to prove the station is still needed.

During a fog, she finds a sealed note wedged in the lamp room, written in her father's hand: a list of dates and boat names. She realizes he was signaling to someone. Desperate to save her home, she follows the trail to TOM REILLY, a fisherman who used to be her father's friend and now avoids her.

Tom admits that her father helped smugglers bring boats in on dark nights, and that the money kept the lighthouse running. Mara is shaken, but the smugglers' leader, DECLAN BYRNE, now sits on the harbor board that wants to close the station. If she exposes him, she exposes her father too.

Mara decides to keep quiet and fight the closure honestly. But Declan has noticed her questions. He arranges for the light to fail during a storm, so the board will have proof the old station is unreliable.

On the night of the storm, the lamp goes dark with a small fishing boat heading for the rocks. Tom's teenage son is on it. Mara restarts the lamp by hand, keeps it turning all night, and the boat makes it in.

The next morning, she gives the harbor board her father's note and tells them everything, knowing it will ruin his name. Declan is arrested. The board keeps the lighthouse open, but under new management. Mara leaves Dunmore Point for the first time in ten years, free of the secret she didn't know she'd inherited.

Why this example works

• It opens with the stakes. Who Mara is, what she wants, and the deadline, in two sentences.

• Every event causes the next one. The note leads to Tom, Tom leads to Declan, Declan's fear leads to the storm.

• Only three other characters are named, and each one matters to the ending.

• Mara makes choices. She decides to stay quiet, then decides to tell the truth. That's the emotional arc in two lines.

• The ending is clear, including what it costs her.

What's left out: the town's history, Mara's ex, the side plot about her mother, the weather in every scene. All of that may be in the book. None of it is needed to understand the plot.

Common synopsis mistakes

• Hiding the ending. "Will Mara save the lighthouse? Read on to find out!" is a blurb, not a synopsis. Agents need the ending.

• Too many names. Every name the reader has to remember makes the synopsis harder to follow.

• "And then... and then..." A list of scenes without cause and effect.

• Explaining the themes. "This is a story about grief and legacy" is something the agent should feel, not be told.

• Including world-building or backstory that doesn't change the plot.

• Selling instead of telling. Skip phrases like "a gripping, unforgettable journey".

How to fix a weak paragraph

Here's a typical weak paragraph:

Mara meets Tom. Then she goes to the harbor office. Then there is a storm, and many things happen. Her feelings are complicated.

And the same moment rewritten:

Tom admits her father helped smugglers, and that the money kept the lighthouse running. Mara is shaken, but the smugglers' leader now sits on the board that wants to close the station.

The second version says what happens, why it matters, and how it changes Mara's situation, in fewer words.

Using AI to write your synopsis faster

Writing a synopsis used to take writers days of agonizing. With AI tools it can take an hour, as long as you use them for the boring part and keep the judgment for yourself.

1. Give it your real material. Paste your outline or a one-line summary of each chapter (if you planned the book in a tool like Automateed, you already have this). Don't ask AI to invent a synopsis from the title.

2. Ask for a first draft with the rules. For example: "Write a 500-word synopsis in present tense, third person, focused on Mara, with no more than three other named characters. Show cause and effect, and reveal the ending."

3. Check every event against the book. AI drafts often add events that aren't in your story, smooth over the messy middle, or end on a vague note. Fix all of that.

4. Rewrite it in your voice. Agents read your sample pages next to the synopsis. If the synopsis sounds generic and the pages don't, it shows.

5. Use AI as a tough reader. Ask it: "What's confusing here? Which character could be cut? Where is the cause and effect missing?" That's often more useful than the draft itself.

One caution: some agents and publishers now ask whether AI was used in a submission. Check their guidelines and be honest. Using AI to help condense your own plot is very different from submitting a book or synopsis you didn't write.

What about nonfiction?

Nonfiction books are usually sold with a book proposal instead of a synopsis. The proposal includes an overview of the book, the market, your platform, and a short summary of each chapter. That chapter summary list does the same job as a synopsis: it shows that the book has a clear structure from start to finish.

Do you need a synopsis if you self-publish?

You don't need to submit one, but writing one is still useful. It's the fastest way to check whether your plot works before you write or revise the whole book. And it makes writing your book description much easier, because you already know the key events and stakes. You just stop before the ending.

The outline you create in Automateed works the same way: a short version of each chapter that you can check for gaps before the full draft exists.

Synopsis checklist

1. Follows the agent's length and format guidelines.

2. Present tense, third person.

3. Opens with the main character, what they want, and what's at stake.

4. Six to eight key events, connected by cause and effect.

5. Four or fewer named characters besides the main one.

6. Shows the main character's choices and change.

7. Reveals the ending clearly.

8. No marketing language and no questions to the reader.

FAQ

What does synopsis mean?

A brief summary of the whole plot of a book, film or play, including the ending.

Is a synopsis the same as a summary?

A synopsis is a type of summary, specifically a full plot summary used to judge a story.

Does a synopsis include the ending?

Yes. That's the main difference from a blurb.

How long is a book synopsis?

Usually one page single-spaced (500–700 words), sometimes up to two pages. Always check the agent's guidelines.

What tense should a synopsis be in?

Present tense, third person.