A DANGEROUS RIDE   Cam Sutton is ready to make his name prospecting for gold in the Black Hills. But his quest for riches is interrupted when he happens upon a stagecoach holdup and ends up rescuing Mary Bishop and her two young daughters. Before striking out on his own, Cam decides to help Mary search for her husband, who disappeared while mining.   Turns out Mr. Bishop was murdered—but not before finding enough gold to make Mary a very wealthy woman. Unwilling to leave them unprotected, Cam offers to help escort the ladies on the long journey back to Cheyenne. But with the threat of bandits constantly looming, and a greedy, cold-blooded killer on their trail, the road is even more treacherous than Cam anticipated....