Start with the ending: how to plot a novel backwards

There's a particular kind of novel that falls apart in its last fifty pages. The first act sparkles, the middle is full of incident, and then the ending arrives like a train that's been rerouted: sudden, convenient, and somehow unearned. Readers can feel when an author didn't know where they were going.

One of the oldest cures is also the simplest. Decide the ending first, then plot backwards.

Writers who begin at the end

This isn't a gimmick invented by writing coaches. Some of the most deliberate novelists of the last two centuries have worked this way.

Edgar Allan Poe made the case in his 1846 essay The Philosophy of Composition: "Nothing is more clear than that every plot, worth the name, must be elaborated to its dénouement before anything be attempted with the pen." Only with the ending constantly in view, he argued, can you give a plot its "indispensable air of consequence, or causation."

Katherine Anne Porter told The Paris Review: "If I didn't know the ending of a story, I wouldn't begin. I always write my last lines, my last paragraph, my last page first."

John Irving is famous for starting each novel by writing its final sentence, then working out the road that leads there. He has described knowing the ending as what gives him the confidence to take long detours along the way: the digressions in The Cider House Rules or A Prayer for Owen Meany feel purposeful because they're all bending toward a destination Irving already knows.

Why backwards is easier than forwards

When you plot forward, every step has infinite options. Your character is in a bar. They could leave, pick a fight, fall in love, get a phone call. Choice paralysis sets in, and writers often pick whatever feels most interesting in the moment. Momentary interest is how plots drift.

When you plot backward, every step has a constraint. You know your character ends up alone on a pier at dawn, having betrayed her brother. So the question becomes: what's the last thing that must happen for that to be true? She must have learned something that made the betrayal feel necessary. How did she learn it? Someone told her, or she found it. Who, and why then?

Each answer narrows the next question. Instead of a wide open field, you're following a path of necessity. The result is a plot where events feel caused rather than chosen.

The "because" chain

Here's a concrete technique. Write your ending as a single sentence at the bottom of a page. Above it, write the event that directly causes it, connected by the word because. Keep going up.

• She stands alone on the pier having betrayed her brother
• because she believed he'd sold their mother's house
• because she found the signed deed in his car
• because she borrowed his car after hers was vandalised
• because she'd started asking questions about the fire

Now read it top to bottom with therefore instead: she asks questions, therefore her car is vandalised, therefore she borrows his... You have a spine.

The creators of South Park, Trey Parker and Matt Stone, have made a similar point about storytelling generally: if your beats are joined by "and then," you have a list of events. If they're joined by "therefore" or "but," you have a story. Plotting backwards produces "therefores" almost automatically.

Plant the ending in the opening

Once you know the ending, the opening gets easier too. Good first chapters quietly promise the last one. If the book ends with a betrayal, the opening might show the siblings' closeness in a way that later reads as painfully ironic. If it ends with a return home, the opening should make leaving feel like a wound.

A useful exercise: write down three images, lines of dialogue or objects from your final chapter. Find a way to introduce each one in the first fifty pages, innocently. Readers won't notice the plant. They'll only feel, at the end, that the book was always heading here.

What if you don't know the ending?

Many writers don't, and that's fine. Two workarounds:

1. Decide the emotional ending, not the plot ending. You may not know what happens, but you can know how the protagonist ends up: free, trapped, reconciled, alone. Plot backwards from the feeling, and let the specific events stay open.
2. Pick a provisional ending and hold it loosely. Porter wrote her last page first, but that doesn't mean every word survived. A provisional destination still gives your middle direction, and changing it later only means re-plotting the final third, not the entire book.

The risk: an ending that feels predetermined

The danger of reverse plotting is that characters can feel like they're on rails. If every scene exists only to push toward the ending, readers sense the author's hand.

The fix is to leave room for character inside the plot's causal chain. The event is fixed; how the character responds isn't. She finds the deed, which is necessary. But whether she confronts him, weeps, or says nothing and plans quietly: that's where your character lives, and where you can still be surprised during drafting.

If you want to lay a reverse-plotted chain across the length of a book, the three-act beat sheet gives you useful target proportions. And for mysteries, where backwards plotting is practically mandatory, see the clue ledger.

Know where you're going. The road there gets much shorter.