b-story
nounUK /ˈbiː ˌstɔːri/
US /ˈbiː ˌstɔri/
A b-story is a smaller story that happens alongside the main story.
In the movie, the b-story is about the hero's funny little brother.
RELATED WORDS
OTHER MEANINGS
2. A secondary news item or feature placed beside the main story in a newspaper or broadcast.
The editor ran the b-story about the school fair next to the front-page headline.
3. A behind-the-scenes account of how a main story was made or reported.
The magazine published a b-story explaining how the reporters found their sources.
4. An alternate or lesser-known version of a well-known story.
Fans love the b-story that reveals what the villain was doing during the final battle.