When prospector William Crowley found a fabulous diamond, he thought he'd made his fortune, but three months later he lost it in a poker game. William never saw his diamond again. Fifteen years later William's son Jackson discovers that the diamond is again at stake in a poker game, this time presided over by the entrepreneur Meeker Trent. With the help of his father's old friends Finbar Stuart and Preston McBryde, Jackson vows to win it...