Mining engineer John O'Hara (Victor Jory) is sent to Nevada to investigate why the construction of a tunnel is progressing too slowly. Using his fist to find many of the answers, he quickly becomes unpopular with the agenda-driven members of the construction crew who have been hired to sabotage the project. An investigative female newspaper reporter from Los Angeles, Ann Miller (Sally O'Neil), provides more complications and romance.—Les Adams <[email protected]>