The Number (2017)

Sinopsis

After a young protégé's murder confirms a prison gang leader's growing misgivings about his life inside, he joins a reform-minded warden's efforts to improve the prison, eyeing it as a path to early release. Gaining fulfillment and self-worth, he becomes a valued partner in the new changes before explosive gang resistance forces a deadly choice between the gangster he is and the changing man he knows he now is.