Several ranchers are being attacked and killed in Lost Valley. Following the most recent attack, Roy, the sheriff, and the other deputies try to come up with the reason behind all the attacks, completely unaware that the local woman banker is behind it, in an attempt to gain ownership of the ranchers' land.

When a bank employee is ambushed and killed on his way to bring the payroll to a nearby mine, one of the guilty men poses as a minister, claiming to be a friend of the dead man arrives in Mineral City. However, it doesn't take long before the residents to suspect something afoul of the man and soon suspect he isn't who he claims to be.