subplot

noun
UK /ˈsʌb.plɒt/
US /ˈsʌb.plɑːt/

A smaller story that happens alongside the main story.

The movie's subplot about the lost dog made everyone laugh.


OTHER MEANINGS

2. A plot of land that is part of a larger piece of land.

They grew vegetables on a small subplot behind the house.

3. A secret plan that is part of a bigger plan.

The spies uncovered a subplot to steal the plans.

4. A secondary division of a literary work's action.

The critic praised the subplot for adding depth to the novel.