preplot
/ˈpriːplɒt/Definitions
1. verb
to outline the plot of (a story, especially a film or play) before it is written
“The director decided to preplot the story to ensure a smooth and engaging narrative.”
2. noun
the plot of a story, especially one that is not yet written
“The preplot of the novel was well-received by the publisher, leading to a larger advance.”