underplot

/ˈʌndərˌplɑt/
noun
  1. A secondary or less important plot in a story, play, or movie, often involving minor characters.
    • The novel's main plot is about a treasure hunt, but there is an underplot about a family secret.
    • The underplot involving the two servants added a touch of comedy to the serious drama.
    • Many viewers found the underplot more interesting than the main story.
Synonyms
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