The Amazing Mr. X

At the request of the Mexican government, a federal agent and a lady reporter team up to catch a gang that has been smuggling gold from Mexico to the U.S. and then selling it to the U.S. government.

Ernie Reardon, the superintendent, and Bill O'Hara, the foreman, of a construction company crew working on a bridge to a remote valley, are constantly quarreling over small and minor matter, especially when it comes to Peg Mallory, whom both men are romancing and Peg enjoys the attention. Thed work is suspended when a worker is killed, but a flood is approaching and the valley citizens are in dire straits unless the bridge is completed - in a hurry.

On their honeymoon,a young navy officer and his wife are having difficulties in finding a hotel room in Los Angeles until a lady lends them her suite. There, they receive a mysterious telephone call warning them of a murder that is about to be committed. After finding two dead women they hire two private detectives to help them. They learn that the third woman marked for death is the woman who lent them her hotel suite. She is the aerial artist at a circus and the other two women were her friends. The police arrive and arrest the navy officer and his wife, and two clowns who were attempting to kill the aerial performer.

Rodeo rider Hurricane Smith is wrongly convicted of murder and robbery, but escapes and creates a new and happy life for himself. But one of the real criminals shows up to claim the loot which he believes Smith has.

Bill Foster, a suspended auto racer, attempts to get even with Jerry Neeley, the woman who owns a bus line, by going to work for the rival company. But Bill soon learns about his new boss' shady practices and begins to fall for Jerry.

Bud Dolliver, a former WWII hero and an ex-convict, returns to his hometown in an effort to make a new life for himself, but even with help from cannery worker Lou Jellison he finds living down his reputation difficult. He manages to get a job at Kelsey's Boat Yard because an accident caused by Kelsey Bunker's no-good son Junior endangered Bud's life and revealed his excellent war record. He does well at the job, but Joe Pettigrew (NOT played by Gig Young), personnel manager of the cannery, is jealous of Lou's feeling for Bud. He frames Bud for a robbery committed by himself and Junior Bunker. Bud's alibi is weak because he is trying to protect Lou's reputation as on the night of the robbery they were out of the state trying to get married.