話が違う

that's not what we agreed

→ 話
phrase Rare #32,286
that's not what we agreed Used when the situation or terms are different from what was previously discussed, expected, or promised. Depending on context, it can also mean “this is a different matter.”
JA: 最初は無料だと言っていたのに、話が違う。
EN: You said it would be free at first—this isn't what we agreed.

お前はいい奴だ話が違う

You're a good guy, but this isn't what we agreed on.

— グッドフェローズ (1990)

違う話が違うでしょ

No, that's not what we agreed on.

でも話が違う

But that’s not what we agreed on.

— Hoje Eu Quero Voltar Sozinho (2014)

だが今は話が違う

But things are different now…

— ロード・オブ・ザ・リング/二つの塔 (2002)

話が違うじゃないか

That's not what we agreed on.