In the Rio Perdido valley, Chick and Jed Mahoney, along with their gang, aim to take over all the land under the orders of their mother, Mrs. Mahoney. They raid the Hyland ranch, killing the owner, and Steve Armitage arrives to help Mary Ellen and her brother Tod. Steve discovers his friend Smiley is working for the Mahoney gang, unaware of their outlaw status, and learns they're after the valley's land due to an underground river beneath it.
Trail of the Rustlers
In the small town, a cunning widow named Mahoney, renowned for her exceptional culinary skills and proprietor of a hotel, is secretly scheming to dominate the local water supply.
