A professional gambler (Omar Sharif) puts his skills and sophistication to the test under the watchful eye of a mysterious woman (Victoria Principal), all to help the owner of Caesar's Palace (Hope Lange) hang on to her assets. In the end, a high-stakes card game will decide the casino's fate: Will its ownership remain unchanged, or will it be snatched up by the wealthy businessman (J.D. Cannon) waiting in the wings?