"Lock Up" (1989) is a gripping action-drama that follows the story of Frank Leone, portrayed by Sylvester Stallone, a man nearing the end of his prison sentence. Just as he is about to be released, he is unexpectedly transferred to a maximum-security facility run by the sadistic Warden Drumgoole, played by Donald Sutherland. The warden harbors a personal vendetta against Frank, stemming from a previous encounter that left him humiliated.

As Frank navigates the brutal environment of the prison, he must confront not only the harsh realities of incarceration but also the relentless pursuit of Drumgoole, who is determined to break him. The film explores themes of resilience, justice, and the struggle for survival in a corrupt system. With intense action sequences and emotional depth, "Lock Up" showcases Stallone's character as he fights to maintain his dignity and ultimately seeks to escape the clutches of a vengeful warden.