[Drew68]

He succumbs. They bond. She develops as a fighter, until an accident in the ring leaves her paralyzed. Without the roar of the crowd, Maggie feels she has nothing to live for. She longs for the cold embrace of the grave, and Frankie obliges.

A spoiler alert would have been nice.

[EveningStar]

I checked themoviespoiler.com. IMO, there's more to the movie than Feder says and you may still be able to enjoy it.