Quick Reference
| Element | Guiding Principles | Position |
|---|---|---|
| Trigger Event | Case/Mystery Occurs | First 10% |
| Red Herrings | False Leads | Throughout the text, 3-5 |
| True Clues | Fair Play Evidence | Before 75% |
| Truth Revealed | Truth Reveal | 85-95% |
| Wrap-up | Resolve All Clues | Last 5% |
Core Principles
Fair Play Principle
Golden Rule: The reader must be given all the clues needed to solve the mystery before the detective.
-
No Hidden Information
- All key clues must be presented to the reader
- The detective cannot solve the case based on information the reader does not know
- Secret evidence revealed only at the end violates fair play
-
Logical Deduction
- The solution must be logically derivable from the presented facts
- Coincidence can complicate the situation, but must never solve it
- Intuition is fine, but must be based on evidence already shown
-
No Deus Ex Machina
- A new character cannot suddenly appear as the culprit
- There can be no previously unmentioned abilities or tools
- There can be no divine intervention or pure luck
Suspense Novel Structure
Act One: Setup (0-25%)
Establish the normal world：
- Introduce the protagonist and their world
- Show the character's abilities
- Plant the seeds of personality quirks
The Case Occurs：
- Occurs in the first 10%
- Must be interesting/unusual enough to justify the investigation
- The stakes should be clear
Initial Investigation：
- The protagonist takes on the case
- First interviews and evidence collection
- Establish key suspects
Act Two: Investigation (25-75%)
Collect clues：
- Present all fair play evidence
- Mix true clues with red herrings
- Every clue should feel important
Red Herrings：
- 3-5 false leads that seem promising
- Must be credible enough to mislead
- Ultimately disproven through logical investigation
Escalating Complications：
- New evidence contradicts old theories
- Suspects have alibis or secrets
- Stakes escalate (more cases, the protagonist is in danger)
Midpoint Twist(around 50%):
- A major revelation that reframes the mystery
- The protagonist's theory is proven wrong
- A new angle emerges
Act Three: Resolution (75-100%)
Dark Night（75-85%）：
- The protagonist seems stumped
- All theories have failed
- A moment of despair or doubt
Truth Revealed（85-95%）：
- A key insight connects all the dots
- Protagonist reconstructs the truth
- Confrontation with the criminal
Wrap-up（95-100%）：
- Explain how/why
- All loose threads are tied up
- Justice is served (or intentionally subverted)
Clue placement strategy
Clue types
Physical evidence：
- Objects, fingerprints, DNA
- Must be planted before it is needed
- Importance may not initially be clear
Testimonial evidence：
- Witness statements
- Alibis and their contradictions
- Lies (intentional or unintentional)
Behavioral evidence：
- Characters' reactions to events
- Unusual behavior patterns
- Motive revealed through actions
Circumstantial evidence：
- Opportunity, means, motive
- Patterns and connections
- Timeline inconsistencies
Clue placement timing
Early clues（0-25%）：
- Establish baseline facts
- Plant seemingly innocent seeds
- Introduce all key suspects
Mid-story clues（25-75%）：
- Mix real clues with red herrings
- Complicate the situation
- Reveal character motives
Late clues（75-85%）：
- The final piece that makes it solvable
- Can be something that has been there all along
- The protagonist's moment of insight
Red herring best practices
Effective red herrings
Features：
- Credible enough to seem real
- Supported by some evidence
- Ultimately disproven through logic
- Does not feel cheap when revealed as false
Examples：
- A suspect with a strong motive but a solid alibi
- Planted evidence of guilt
- Coincidentally present at the crime scene
- Secret activities that make them look guilty but are actually innocent
Common mistakes
❌ Too obvious: The reader sees through it immediately ❌ Too forced: Feels forced and artificial ❌ Never explained: Left hanging without resolution ❌ Too many: The reader loses track and feels frustrated
Suspect management
Classic setup
At least 3 suspects：
- Each needs motive, means, and opportunity
- Each should seem guilty at some point
- At least one should be sympathetic
The criminal：
- Should be among the introduced characters (fair play)
- Must have a logically motivated final reveal
- Clues to their guilt must exist from early on
Red herring suspects：
- The most obvious choice
- Strong motive and circumstantial evidence
- Ultimately ruled out through investigation
Sympathetic suspect：
- The reader hopes is not guilty
- Has a secret worth protecting
- Usually helps solve the real mystery
Character secrets
Every suspect should have a secret：
- Not all secrets are related to the case
- Secrets create misdirection
- Revealing secrets advances the investigation
- Some secrets are more destructive than the case
Common Pitfalls
❌ Unknowable Solutions
Problem: The culprit or method relies on information the reader doesn't have
Solution: Plant all necessary clues before the 75% mark; the reader should be able to solve it
❌ Incompetent Detectives
Problem: The protagonist misses obvious clues or behaves illogically
Solution: Make the detective capable but human; they can make mistakes, but not be stupid
❌ Too Many Coincidences
Problem: The plot advances through convenient luck rather than investigation
Solution: Coincidences can complicate the situation, never resolve it; the detective must work hard to find the answer
❌ Boring Middle
Problem: The investigation becomes repetitive interview after interview
Solution: Vary investigation methods; add action, danger, personal stakes
❌ Rushed Explanations
Problem: A complex solution dumped in dialogue in the final chapter
Solution: Spread out the reveals; let the reader piece it together; keep explanations clear but not lengthy
Subgenre Variations
Cozy Mystery
- Amateur detective
- Limited violence depiction
- Small community setting
- Character-driven
- Usually humorous tone
Hardboiled Detective
- Professional investigator
- Gritty, realistic violence
- Morally complex world
- Cynical tone
- Action-oriented
Police Procedural
- Focus on investigation process
- Multiple detectives/team
- Realistic procedures
- Technical details matter
- Bureaucracy as obstacle
Locked Room Mystery
- Impossible crime scene
- Limited suspects (who had opportunity)
- Ingenious method is key
- Solution must be logical
Integration with Novel-Writer Commands
When /specify executes
- Clearly define the central mystery
- List all main suspects and their motives
- Identify key clues and where they appear
- Decide on fair play rules
During /plan period
- Map out the clue placement timeline
- Design misdirection clue patterns
- Plan investigation sequences
- Structure reveals and reversals
At /write when
- Ensure clues are visible but not obvious
- Balance investigation with character development
- Maintain pacing (action, reveals, complications)
- Track what the reader knows vs what the detective knows
During /analyze period
- Verify fair play - can the reader solve it?
- Check that all clues have been planted
- Ensure there is no deus ex machina
- Confirm a satisfying resolution
Suspense Writing Checklist
- Central mystery is engaging and clear
- 3-5 viable suspects with motives
- All key clues presented before the reveal
- Misleading clues are credible and ultimately explained
- The detective is competent and logical
- The solution can be deduced from the given information
- No coincidences solve the mystery
- The timeline is consistent and traceable
- All loose clues are tied up
- The reveal is satisfying, not disappointing
Clue Visibility Framework
Three Levels
Level 1 - Obvious(25% of clues):
- Clearly important when introduced
- The protagonist and the reader notice it together
- Establishes baseline facts
Level 2 - Subtle(50% of clues):
- Mentioned but not emphasized
- The importance becomes clear later
- Rewards attentive readers
Level 3 - Hidden in Plain Sight(25% of clues):
- Seems insignificant when introduced
- Only makes sense in retrospect
- The "Aha!" moment
Examples
Level 1: "The window was unlocked from the inside"
Level 2: A character mentions in small talk that they are left-handed
Level 3: The room description includes a specific brand of cigarette in the ashtray
Reader Expectations
What Mystery Readers Want：
- A fair chance to solve it alongside the detective
- A clever twist that makes sense in hindsight
- A competent but fallible protagonist
- A satisfying "Aha!" moment
- Justice (or a purposeful, intentional subversion)
What Frustrates Mystery Readers：
- Hidden information revealed only at the end
- A protagonist who solves it through reasoning that was never shown
- Contrived coincidences
- An obvious culprit with no misdirection
- Loose clues left unresolved
Remember: A great mystery makes readers feel clever for solving it, or impressed for not seeing it - but always satisfied that the clues were there all along.