Chuck Wheeler is released from prison and plans an elaborate heist of an armored truck carrying money from a Las Vegas casino. Chuck enlists the help of nightclub owner Joe Darren as well as Vi Victor, a sensational blonde married to Chuck's ex-cellmate Mike Bennett. Mike is a very jealous and dangerous man who will not grant Vi a divorce. He escapes from prison just before the armored truck robbery is to occur and causes havoc when he locates Chuck, Joe, and his unfaithful wife.
^Scheuer, Philip K. (Nov 21, 1957). "'Kristin' Seen as Challenge: Kaufman Phones Terry Moore; 'Diamonds' Polished for Laage". Los Angeles Times. p. C11.
^Hopper, Hedda (Apr 26, 1958). "Chance of a Lifetime: Ricky to Be Gunman in 'Rio Bravo'". Chicago Daily Tribune. p. 17.