Formula
The genre convention of expected shape: the plot beats a genre's audience arrives already knowing.
- genre conventions
- reference
- genre-convention
A genre's recurring narrative pattern — the beats an audience can hum in advance: the western's showdown, the romcom's break-up-and-reunion, the slasher's final girl. Formula is not a flaw; it's the shared expectation that makes variation legible (Structure at genre scale).
What to look for
Which beats does the film deliver on schedule? Which does it delay, invert or refuse — and what does the refusal say?
Canonical cases
Psycho (1960) runs a crime-and-flight formula for 47 minutes, then swaps genres mid-film (Killing the protagonist at minute 47) — and in doing so seeds a new formula the slasher cycle would industrialise. Alice Doesn't Live Here Anymore (1974) crosses the woman's-picture formula with the road movie, and its ending — negotiated, ambivalent — shows the two formulas pulling in opposite directions.
Sources
Biskind on New Hollywood's genre revisionism.