Sundown Trail: Dorothy, and her big city lawyer boyfriend, return to the Lazy 'B' ranch to read her late father's will. For Dorothy to inherit everything, she must stay on the ranch for 5 years. If she does not, everything goes to Buck, who is the manager. She does not like Buck, so she makes a deal with the wrong people for cattle and then the outlaws go to the ranch to get the $10,000 from her. But Buck is on the job.