あらすじじゃなかったです
粗筋じゃなかったです
arasujijanakattadesu

Noun
Desu Copula

The polite, past negative form of あらすじ

1. It wasn't the main point.; It wasn't the gist.; It wasn't the outline.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana