Bob Allen in his starring debut gets a job on Wright's ranch where he hopes to find the rustlers no one else has been able to locate. Everyone is looking for men when the actual rustler is a horse.
Rex Stout's portly detective prides himself on solving crimes without venturing outside his comfortable home; here he relies on others to do the legwork in pinpointing who among a number of suspects is responsible for two sudden deaths, which the authorities at first are not convinced were murders.
The Harper wagon train is carrying money and Bull and his gang are after it. When their first attack is foiled by the rangers, Allen trails them. But he is captured and his ranger badge used to divert the rangers away leaving the wagon train unprotected.
War veteran pilots Dizzy Davis, Texas Clark and Jake Lee are working in an airline. Dizzy is fooling with one of the younger pilot's girl-friend and due to this he changes flights with Texas.
An admiral's son with no interest in carrying on the family tradition is a successful crooner. He finally joins the Navy to prove he can, but with no real love in it.
Newspaperman Bill Bradford becomes a special agent for the tax service trying to end the career of racketeer Nick Carston. Julie Gardner is Carston's bookkeeper. Bradford enters Carston's organization and Julie cooperates with him to land Carston in jail. An informer squeals on them. Julie is kidnapped by Carston's henchmen as she is about to testify
