Forest Ranger Tom Corbin patrols the lumber grant of the McFarland and Williams Lumber Company, party owned by Dale McFarland. Tom discovers that Bart Williams is systematically cutting excess timber and falsifying his timber reports to the government. Williams is assisted by "Bull" Riley, who, suspecting that Tom has discovered their thievery, gives Tom a beating in an unfair fight.
A young, newly-appointed rookie state trooper, John Shields, is celebrating with his sister Jane, his younger brother Freddie and Tom Marlin, Jane's fiancé and also a trooper, when they hear over the radio that two bandits have just killed a lawyer and his watchman.
Dark and windy night, the village is haunted, the villagers do not dare to go out, so they invited the magician to catch the ghost, after a day, the night, the magician was eaten by the ghost, leaving a pile of bones and brains, the villagers buried the bones and brains of the magician.
The policy-racket reaches it lean, bony fingers into the ivy-towers of a large university and the underworld trying to “beat the numbers-racket” with applied mathematics.