Definition
What is causality?
The relationship between cause and effect in a narrative.
Causality links events through cause and effect. 'The king died and then the queen died' is sequence; 'the queen died of grief' is causality. Strong causality makes plots feel earned and prevents coincidence from solving problems. Every major event should be triggered by prior actions or choices, especially by characters, not random chance.
On the page
Causality examples
“Because he forgot to lock the door, the burglar was able to enter easily.”
“One thing leads to another in a domino effect throughout the plot.”
For writers
How writers use causality
- Audit scenes: every event should be caused by something prior
- Make character choices drive key turns, not randomness
- Use foreshadowing to set up causes before effects land
- Limit coincidence to cause problems, not solve them
Why it matters
- Makes stories feel inevitable and earned
- Replaces coincidence with character-driven outcomes
- Builds tension as actions have consequences
- Helps avoid deus ex machina solutions
Across different genres
Each clue leads logically to the next; the reveal follows from evidence
Hero’s improvisation triggers escalation; villain counters logically
Missteps or confessions cause relational rifts or progress
Ignoring warnings causes release of the threat; consequences cascade
Common pitfalls
- Coincidence solving problems
- Events that ‘just happen’ without setup
- Unmotivated character actions breaking plausibility
- Over-explaining causes in on-the-nose exposition
Try it in your own writing
- Any: Rewrite a lucky break as a consequence of a prior character choice
- Mystery: Chain three clues where each cause logically leads to the next discovery
- Thriller: Show how the hero’s win in one scene causes their bigger problem later
Quick answers
Causality FAQ
What is causality?
The relationship between cause and effect in a narrative. Causality links events through cause and effect. 'The king died and then the queen died' is sequence; 'the queen died of grief' is causality. Strong causality makes plots feel earned and prevents coincidence from solving problems. Every major event should be triggered by prior actions or choices, especially by characters, not random chance.
What are some examples of causality?
The examples on this page include Example of Causality and Example of Causality in Storytelling. Each one shows how the device works in context.
How can writers use causality effectively?
Audit scenes: every event should be caused by something prior Make character choices drive key turns, not randomness Use foreshadowing to set up causes before effects land