A submission synopsis explains what happens in your story, why the main character’s decisions matter, and how the story ends. A back-cover description encourages a reader to begin. Confusing the two often produces a synopsis full of atmosphere and questions but no usable account of the plot.
You can also use a synopsis before self-publishing to check whether the story’s cause and effect hold together. This tutorial takes an invented story from a beat list to a complete short synopsis, then shows how to revise and adapt it to a recipient’s requirements.
Read the request before choosing a length
If an agent, editor or competition asks for a specific word count, page limit or file format, follow it. There is no single length that overrides the recipient’s instructions. Save a copy of the requirements with the draft so you can check the finished file against the actual request.
A fiction synopsis is also different from a nonfiction proposal. Penguin’s pitching guidance describes nonfiction proposal material such as a project overview, chapter breakdown and sample writing. Do not force an instructional book into a protagonist-and-climax template merely because a generic submission article uses one.
Build a cause-and-effect list from the manuscript
Make one row for each major change. Use four columns: event, reason it happens, character’s response and consequence. Start with the complete manuscript rather than the plot you originally intended to write. If the ending changed during revision, the synopsis must change too.
Here is a fictional demonstration for a short mystery called The Missing Ledger. It is not a published book or a customer project.
| Event | Response and consequence |
|---|---|
| A community archive is due to close after missing funds are discovered. | Volunteer Ada checks the accounts to clear her late mother’s name. |
| A ledger has disappeared. | Ada follows delivery records instead and finds unexplained payments to a storage company. |
| The manager offers a plausible explanation. | Ada initially accepts it, then notices the storage dates precede the supposed emergency. |
| Her brother admits moving boxes. | He provides a key; Ada discovers records that contradict the manager’s story. |
| The manager asks her to hide the evidence. | Ada must choose between protecting a family secret and clearing the archive’s finances. |
| Ada presents the evidence. | The theft is established, but her mother’s smaller deception is also revealed; rebuilding trust remains necessary. |
Each row changes the next action. A visit to a café, a dream or a minor argument belongs in this list only if removing it would make the main plot difficult to understand. This is selection, not a chapter-by-chapter table of contents.
Draft the ending before polishing the opening
Write two plain sentences about the decisive action and its result. This prevents you from spending your whole allowance on the setup. If the protagonist’s final choice does not resolve the central conflict, the problem may be in the story rather than in the synopsis.
Next write the opening: who the main character is, what they want, and what makes them act now. Join the opening and ending with the essential changes from the table. Include the motivations that make the choices understandable, especially when a character takes a risk or reverses a decision.
A complete short synopsis
This deliberately compact example demonstrates the full arc. Expand or compress it according to a real submission request; it is not a prescribed word count.
When missing funds threaten the closure of her town’s community archive, volunteer Ada Mercer learns that her late mother, its former treasurer, is suspected of taking the money. Ada believes proving her mother’s innocence will save the archive and restore her family’s standing.
The accounts ledger disappears before Ada can examine it. She checks surviving delivery receipts and finds payments to a storage company. Archive manager Colin explains that her mother arranged emergency storage during a roof leak. Ada accepts the explanation until she discovers that the payments began months before the leak.
Ada’s brother admits helping their mother move boxes and gives Ada a storage key. Inside, Ada finds duplicate records showing that Colin diverted donations. She also discovers that her mother falsified attendance figures to keep a grant. Her mother had confronted Colin but concealed her own misconduct, allowing him to threaten her into silence.
Colin offers to repay part of the missing money if Ada destroys the duplicate records. Exposing him will also damage the reputation she set out to protect. Ada refuses and gives the complete records to the archive’s trustees, including the evidence against her mother.
The trustees recover part of the money and refer Colin’s actions for investigation. They delay reopening until independent oversight is established. Ada helps volunteers catalogue the remaining collection, accepting that preserving her mother’s work requires telling the truth about her rather than clearing her of every fault.
The ending discloses both the external result and Ada’s changed position. It does not claim the archive instantly returns to normal. The consequences are part of the story, so the synopsis keeps them.
Replace sequence with causality
A weak draft might say, “Ada visits the archive. Then she visits a storage unit. Then she speaks to her brother.” Those sentences list movement but omit the logic. A stronger version says, “When delivery receipts contradict the manager’s explanation, Ada asks her brother about the missing boxes; his key leads her to the duplicate records.”
Use this test on each transition: could an unfamiliar reader explain why the next action happens? If not, add the missing motive, clue or pressure. Avoid adding another paragraph of setting to conceal a broken connection.
Also watch for unexplained changes in character knowledge. If Ada suddenly knows who stole the money, the synopsis needs the evidence that changed her belief. You do not need every investigative detail, but you do need the causal bridge.
Cut without making the story generic
Remove names that a reader does not need to remember. Keep a side character when their action alters the main plot; otherwise describe their role or omit them. Cut dialogue unless the precise wording is indispensable. Replace evaluative claims such as “a devastating twist” with what actually happens.
Preserve the distinctive choice at the center of the story. In the example, “Ada catches a thief” is too generic. Her need to reveal her mother’s misconduct explains the emotional conflict. Compression should remove clutter, not remove the reason this particular story matters.
For multiple timelines, establish enough time markers to make the main causal chain clear. For multiple viewpoints, follow the strands that change the shared outcome. Do not introduce a complicated storytelling device without showing why the reader needs to know it exists.
Run two different checks
Ask someone who has not read the manuscript to recount the central problem, the decisive choice and the ending using only the synopsis. Where they cannot, you may have left out a connection. Then ask someone familiar with the manuscript to identify any distortion or missing event. These readers catch different errors.
Finally, compare the file with the recipient’s requirements: length, format, naming, requested sample and submission channel. Use a stable version name and keep a record of what you sent. A synopsis can be clear and still fail to follow a particular submission request.
If you are independently publishing, keep the synopsis as an editorial check and write separate reader-facing cover copy. When the manuscript and layout are complete, use a digital-proof review before ordering.
Further reading: Blurb’s synopsis guide explains the distinction from a blurb. The fictional narrative, beat table and causal editing exercise above were created for this tutorial.