What Is a Plot Hole? 5 Types and How to Find and Fix Them in Your Novel

A plot hole is a place where a story contradicts its own rules, timeline or what its characters could know, leaving readers asking, “Then why didn't…?” Most plot holes appear when something changes while you're writing and the earlier chapters still say the old thing.

Most articles on plot holes are about famous movies. This one is about your own manuscript: five types of plot holes with before-and-after examples, the order for finding them, and four ways to fix them, including in a serial where readers have already read the chapter with the hole. There's a checklist to copy at the end.

At a glance

1. A plot hole is a spot where the story doesn't agree with itself. In web serial comments you'll also see it called a continuity error or a lore mistake
2. There are five common types: rule conflicts, characters knowing what they can't know, timeline errors, “why didn't they just…?”, and things that vanish
3. Plot holes are easier to see when you read back over finished chapters than while writing. Start by listing what you changed, and you'll know where to look
4. For chapters readers have already seen, explaining the gap later usually confuses them less than rewriting the earlier chapter

Plot hole vs. continuity error vs. contrivance

All three get called “plot holes” in reviews, but they're different problems.

Continuity errors are the smallest kind of plot hole; contrivances often create one, when a convenient solution ignores a rule the story already set. This guide covers all three under one question: where does the manuscript disagree with itself, and how do you fix it?

Not every inconsistency is a hole. A character who is mistaken or lying is an intended inconsistency. If readers will learn the reason later, it isn't a plot hole; it's foreshadowing.

5 types of plot holes, with examples

The examples come from They Say I'm a Dark Mage, but All I'm Good At Is Digging Dirt, the story in TypeTak's Web Novel Course. The holes and chapter numbers below were made up for this guide; the fixed versions follow the course's lore.

1. Rule conflicts: numbers, names or rules change

The most common type, and the easiest to find. Something that shouldn't change once it's set, like a name, a number or how a power works, comes out differently in different chapters.

• Hole: Chapter 6 says Belkadia Royal Academy of Magic has five towers and none teaches earth magic. In Chapter 70, Seraphine says, “The professors of all six towers have gathered.”
• Fixed: change the line in Chapter 70 to “all five towers.” The sixth tower is the earth magic tower that rises at the ending; if “six” turns up before then, it also weakens the ending.

This kind of hole usually happens because the writer already knows the ending. The academy with six towers feels familiar to you, even though readers haven't seen it yet.

2. A character knows something they can't know

Who learned what, and when, gets crossed. It stands out most in mysteries and in stories built on misunderstandings, where the fun is who knows the truth.

• Hole: in Chapter 75, Lucian sneers at Clay: “You were just a farm boy plowing fields back home.” But the only person Clay told about the farm is Mia.
• Fixed: if you want to keep the line, add a sentence in Chapter 74 where Lucian sneaks a look at Clay's admission papers. If Chapter 75 is already posted, have Mia ask in Chapter 76, “Where did you hear that?”, and reveal that Lucian read the papers.

3. Timeline errors: dates, distances and ages don't add up

Travel time, seasons and ages, anything that needs arithmetic, go wrong. They're hard to spot while writing, and binge readers find them first.

• Hole: Chapter 3 says Clay's village is five days by carriage from the academy in the capital. In Chapter 60, Clay goes home and back over a two-day weekend.
• Fixed: turn Chapter 60 into a scene where Clay gets a letter from home. If he really has to go, set up a ten-day break for an academy event first.

4. “Why didn't they just…?”: nobody uses the easy solution

There's an easy fix the characters could use, but nobody does, so the story only continues if everyone pretends not to see it. This is the type readers ask about most.

• Hole: Clay keeps insisting he isn't a dark mage. Why doesn't anyone just test him on the judging stone again?
• Fixed: early on, add one line: “The judging stone is a royal treasure, brought out once a year on entrance exam day.” Now the misunderstanding lasting until the next exam is a rule of the world, and next year's exam day becomes the natural place for a big event.

The harder you try to block an easy solution, the longer the explanation gets. One reason is enough, and it's best if that reason creates another event too.

5. Things that vanish: setups, characters or objects never return

Something shown prominently early on disappears without explanation. It isn't a direct contradiction, but readers feel “whatever happened to that?” as a hole.

• Hole: in Chapter 12, Seraphine makes Clay's scholarship conditional on “a report on his dark magic research every term,” and the reports are never mentioned again.
• Fixed: at the end of term, add a scene where Clay has to write up what he did with earth magic as “dark magic results.” You get misunderstanding comedy and the first spark of the conflict over the lab at once.

When a whole side thread disappears, see What Is a Subplot? for how to keep threads alive.

How to find plot holes in your manuscript

Plot holes are almost invisible while you're writing a single chapter. Once several chapters have piled up, read back over them in this order.

1. List what you changed. If you changed a name, number, rule or relationship while writing, write it down. Most holes are an old version of a changed detail still sitting in an earlier chapter, so this list tells you where to look.
2. Check the manuscript against your notes. For each character, place and power, compare what you decided with what the manuscript says. If you don't have notes yet, a character sheet makes this easier next time.
3. Note when each character learned each secret. For every secret or key piece of information, write who learned it and in which chapter. In a misunderstanding story, the most important line is who knows that Clay is an earth mage, and since when.
4. Draw the timeline. Pull out only the scenes that mention dates, travel time, seasons or ages, and put them in order. All you're checking is whether the math works.
5. Write a reverse outline. Summarize each finished chapter in one line and lay the lines out. Gaps you didn't see in the prose become visible. Look for anything shown prominently that never comes back.
6. Give it to a beta reader. You read with the lore in your head filling the gaps. Someone who doesn't know the lore will ask “why?” in exactly the right places.

How to fix plot holes: four ways

How you fix a hole depends on how big it is and whether readers have seen it.

Readers who already read a chapter won't see your correction, so in web serials the second method is the most common. If you do edit a posted chapter, a short author's note or announcement saying what changed keeps readers from getting confused. Platforms like Royal Road and Wattpad handle edits to posted chapters differently, so check how yours works. For a published book, fixes usually wait for a revised edition.

Plot hole vs. retcon. A retcon (retroactive continuity) rewrites a fact the story already established. Explaining a gap later leaves the earlier facts as they were and fills the empty space; a retcon changes the earlier facts themselves. Because a retcon overturns something readers already believed, use it only when the reversal makes the story more interesting, not as a quick patch.

Plot hole checklist template

Copy the box into a notes app or document and fill in a block every time you change something. Any row without a mark under “Done” is a hole still open.

[Change 1]
What changed:
Before:
After:
Chapters with the old version:
How to fix: (plant earlier / explain later / edit earlier chapter / leave it)
Chapter to fix in:
Done:

[Change 2]
What changed:
Before:
After:
Chapters with the old version:
How to fix:
Chapter to fix in:
Done:

[Who knew what, when]
Information:
Character / chapter they learned it:
Character / chapter they learned it:

[Timeline]
Scene / date or season:
Scene / date or season:
Trip / how long it takes:

Common mistakes when fixing plot holes

Covering the hole with explanation. When you spot a hole, you want to explain it at length in narration. Readers are convinced less by the amount of explanation than by one piece of evidence inside the scene.

• Before: The judging stone was, in fact, an extremely valuable treasure that could not simply be brought out. Royal permission was required, and the procedure was so complicated that no one ever requested a retest.
• After: “A retest? The judging stone won't be out again until next year's exam.” The examiner closed the file.

Opening a new hole while fixing one. A reason you add has to agree with everything else too.

• Before: explain how Lucian knows about the farm by having Mia let it slip. Now there's a new hole: why did Mia, who was keeping the secret, let it slip?
• After: Lucian sneaked a look at the admission papers. That fits his established habit of looking for anything he can use against Clay.

Trying to fix every hole. If you delay the next chapter to fix tiny inconsistencies nobody cares about, you lose more than you gain. Fix holes that touch the story's rules and what characters know first.

Finding and fixing plot holes in TypeTak

TypeTak is an AI writing editor where you write alongside an agent. It's for finding holes before a chapter goes up, and deciding where to fix the ones you find.

• Spots that conflict with your lore get flagged before you post. Finish a chapter and ask for Feedback, and the Consistency card points out passages that conflict with the lore you've written. Changed numbers, like the tower count, show up here, and so do characters saying things they couldn't know.
• The same detail found across the whole manuscript. Ask the agent something like “find every place the manuscript says how many towers the academy has,” and it reads the manuscript and your lore and tells you which chapters say what.
• Who knew what, and when, stays on record. When each character learned something builds up in chapter order, and for a detail you changed you can see what it used to be and when, which makes type 2 holes much easier to prevent.

Whether to fix a flagged passage or leave it is still your call.

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