A mystery audio drama / podcast typically runs 15-30 pages per episode and is defined by puzzle-driven audio narratives that turn the listener into a detective, using clues embedded in dialogue, sound design, and unreliable narration to build intricate mysteries.
Audio mysteries can hide clues in the audio itself — background conversations, ambient sounds, and voice tone changes that attentive listeners catch. The investigator should voice their deductions, bringing the listener along without over-explaining. Each character's voice should suggest their relationship to the truth. Sound design clues (a clock ticking, a door creaking, a distant car) should be planted deliberately. Multiple narrative perspectives (interviews, recordings, narration) create a prismatic view of the mystery. Episode-ending revelations should reframe what the listener heard in earlier episodes. The mystery should be fair — solvable by careful listeners.
Open with the mystery's latest development (2-3 pages). Investigate through dialogue and recorded evidence (6-12 pages). Discover a new clue that changes the investigation (3-6 pages). End with a revelation or new question (2-4 pages). Total: 15-30 pages per episode.
Plot backward from the solution. Know who did it and why before you write page one.
Plant every clue the audience needs to solve the mystery — hide them in plain sight among red herrings.
Give your investigator a unique perspective or method that makes their approach to the case distinctive.
Write the reveal scene first, then go back and seed the clues that make it satisfying.
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