Meaning of とんでもない

[Yoshie]

I have a question about とんでもない in the following sentence. Does by とんでもない and 「
そんなのはとんでもなかった」, the speaker is talking about the situation, that it was something shocking, or does he denying the fact that it was easy?

簡単だと思っていた仕事、だったのだけれど・・・・・・。 とんでもない。 簡単だなんて。 そんなのはとんでもなかった。

Context: the job that was given to the protagonist turned out to be really dangerous, he was attacked by something inhuman.

 

[Toritoribe]

The speaker is denying their expectation "the job would be easy".

 

[Yoshie]

Thank you, I'm still not quite sure about そんなのは, does it refers to their expectiation 「簡単だと思っていた仕事」, or simply to 「簡単だなんて」?

 

[Toritoribe]

I think そんなの refers to their expectation, too.