Escape from San Quentin

Mike Gilbert, portrayed by Desmond, escapes from San Quentin alongside fellow inmates Gruber and Graham after learning of his impending divorce. With nothing left to lose, they seize control of a plane in hopes of retrieving Gruber's stolen loot, hidden away by his father, Curly. Tensions rise as they betray Graham, who rallies his gang for revenge and to reclaim the treasure. Amid the chaos, Gilbert finds solace in Robbie, his ex-wife's sister. Inspired by her, he contemplates a life of honesty, but his partners remain reluctant to abandon their criminal ways.