あらすじじゃありませんでした
粗筋じゃありませんでした
arasujijārimasendeshita

Noun
Desu Copula

The polite, past negative form of あらすじ

1. It wasn't the main plot.; It wasn't the key point.; It wasn't the gist.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana