story line

UK: /ˈstɔːrilaɪn/

WordReference Random House Unabridged Dictionary of American English © 2026

sto′ry line′, 

1. Literature, Show Business plot (def. 2).
2. Radio and Television, Literature, Show Business a detailed description of the plot of a motion picture, TV series, etc., for use by writers, producers, prospective investors, or the like:
   The story line runs to 125 pages.
   Also, sto′ry•line′. 
• 1945–50

Collins Concise English Dictionary © HarperCollins Publishers::

storyline, story line / ˈstɔːrɪˌlaɪn/ noun the plot of a book, film, play, etc