Grammar fix

a saving grace

redeeming quality

a positive quality or feature in a person or thing that makes an otherwise negative situation or experience better or more acceptable.

collocationC1occasional

Hear it in context

Notice where the phrase sounds natural.

The only saving grace of the long commute is that I get to listen to my favourite podcasts.daily life
Although the hotel was quite basic, its location near the city centre was a real saving grace for us.IELTS speaking

Pattern: a saving grace (of something/someone) | the only saving grace

WrongThe film's only saving grace are the visuals.

RightThe film's only saving grace is the visuals.

'Saving grace' is singular — 'is', not 'are', even when what saves it is plural.

Patterna saving grace (of something/someone) | the only saving grace

Choose the version that sounds natural in speech.

Stiff The one good quality that made the bad situation acceptable was the location.

Natural The location was its only saving grace.

'The saving grace' names the single redeeming feature; the paraphrase is clunky.

Words that usually travel with it.

Unlike 'main advantage' or 'best feature', 'a saving grace' is used when something is mostly negative but has one redeeming quality.