As young widow Cora Diemert struggles against powerful ranchers intent on driving her off her homestead, young Billy Smith rides on to her place asking for a bit of work. Smith seems the answer to Cora's prayers - until she discovers that he is running from the law, with Deputy U.S. Marshal Thomas Alvarez hot on his trail. Cora, Billy, and the marshal each learn some hard lessons as they battle with themselves and with one another.
The Old West's most famous lawmen are convening one final time, but not to solve a case. Instead, they're hoping to spend a few days together having a high old time in Denver before they ride off into the sunset of their years. But then a prostitute is brutally murdered and one of their number stands accused of the crime.