Question

complete the sentence.
mystery stories and action stories depend heavily on
theme
plot
character
setting

Explanation:

Mystery and action stories rely on a sequence of events, twists, and a structured progression of events to build tension, suspense, and drive the narrative forward, which is the core of the plot. Theme refers to the central message, character focuses on the people in the story, and setting is the time/place, none of which are the primary foundation for these genres.

Answer:

plot