British railway workers in Kenya are becoming the favorite snack of two man-eating lions. Head engineer Bob Hayward becomes obsessed with trying to kill the beasts before they maul everyone on his crew.

A young actress has retired from films to marry the son of a prominent and rich politician in New York City. The father objects strongly to the marriage. The actress is being blackmailed by a second-rate artist who has stolen some letters from her that could be misconstrued. During the payoff, she is knocked unconscious, and awakens to find herself involved in a murder and the police have her marked as the number-one suspect.

A year after a violent train robbery the Pinkerton detective agency hires a bounty hunter to find the three remaining killers. He tracks them to Twin Forks but has no clue to their identity. Tensions surface as just his presence in town acts as a catalyst.