When friendship runs deeper than blood

https://www.imdb.com/title/tt0117665/

Four boys growing up in Hell's Kitchen play a prank that leads to an old man getting hurt. Sentenced to no less than one year in the Wilkenson Center in upstate New York, the four friends are changed by the beating, humiliation and sexual abuse by the guards sworn to protect them. Thirteen years later and a chance meeting lead to a chance for revenge against the Wilkenson Center and the guards.