Brothers -2009-hd | Direct · Handbook |

But Sam isn’t dead. He survives brutal captivity, witnessing a fellow soldier executed — an act he feels powerless to stop. Rescued and returned home months later, Sam is a ghost of himself: volatile, distant, and consumed with guilt and rage. He misinterprets Tommy’s closeness with Grace as betrayal.

If you meant the directed by Jim Sheridan (starring Tobey Maguire, Jake Gyllenhaal, and Natalie Portman), here's a concise story covering its plot and themes: Title: Brothers: The Scars We Carry Home Brothers -2009-HD

I notice you're asking for a story covering something titled — but just to clarify, that sounds like a film release or a file name rather than a specific known movie. But Sam isn’t dead