How to find plot holes in your manuscript.

The method

Five steps, run in order.

Finding a plot hole for real isn't one long, paranoid reread. It's five smaller, more boring steps, done in sequence, every time you revise. Skip a step and you get the pass most manuscripts get: the obvious catches, and everything subtler left for a reader to find first.

1. Know the kinds of hole.

"Plot hole" isn't one failure — it's six, and naming them before you start turns a vague dread into a checklist:

• Logic gaps. An effect with no cause, or two causes that can't both be true.
• Timeline slips. An order of events that doesn't survive being put on an actual calendar.
• Motivation gaps. A character acts against everything you've established about them, with nothing shown that changed their mind.
• Unresolved setups. Foreshadowing planted with weight, then dropped — a promise to the reader the manuscript quietly stops keeping.
• World-rule violations. Your magic, technology, law, or economy behaves one way in an early chapter and another way later.
• Continuity contradictions. A fact — a name, an age, a scar, who knew what and when — that disagrees with itself across the book.

2. Read against your canon, not your memory.

Your memory of your own book isn't a reliable check — it's the thing that's failing. You remember what you meant to write, and a plot hole is exactly the gap between what you meant and what actually made it onto the page. Read against something external instead: a story bible, a timeline, a character sheet — structured canon that states, in writing, what's true, so a contradiction has something concrete to contradict.

3. Run one systematic pass per kind, not one pass for everything.

A single read-through asks you to catch six different failure modes at once, using six different kinds of attention — which is exactly why a single read-through catches so little. Read once for timeline alone, plotting every date and duration on an actual calendar. Read once for world rules alone, checking every scene against the rule you wrote down. Read once for foreshadowing alone, listing every planted setup and whether it paid off. The method is slower than one big read. It's also the only version that reliably works.

4. Track each finding with its evidence.

When you catch something, don't fix it in passing. Write it down with the two passages that clash — chapter and paragraph for each — then decide, deliberately: resolve it (change the prose, or change the canon it should have followed) or dismiss it (the contradiction is intentional, or too minor to matter). A hole fixed without a decision has a way of reopening in the next draft.

5. Get fresh eyes on the whole book at once.

Every pass above still runs through your own head, which is the one instrument that can't fully see its own blind spots. The reading that catches what you can't is one that holds the entire manuscript at once, with no memory of ever having written it — a beta reader, an editor, or a tool built to read every chapter against your canon in a single sweep.

Two examples

What a hole looks like once you're checking for it.

The demo manuscript below is Vellhark: a harbor city under an uneasy truce with the Korrith Order, bloodglass moving through customs sheds it isn't quite legal to search yet, and an account-keeper, Cael Marrow, whose ledgers only he is meant to read. Two findings from an early pass show two different kinds of hole — neither one a timeline slip.

Common pitfalls

The mistakes that let a hole through anyway.

Even writers who know to check for plot holes fall into a handful of traps that make the check hollow.

Where this fits

The check that runs this at manuscript scale.

The five steps above work with nothing but a notebook and patience — that's the whole point. Loreon's whole-manuscript validation runs the same kind of sweep on demand: it reads every chapter against your canon and hands you findings like the two above, each citing its passages, for you to resolve or dismiss. It's conservative by design — a contradiction that reads as intentional gets flagged lightly rather than rewritten outright, so the decision, and the prose, stay yours. Plot holes open widest at the two places memory is under the most strain: scene to scene as you draft, which maintaining continuity in a novel covers, and volume to volume once a story bible has to hold more than one book, which is the subject of planning a book series.