Steel Against the Sky is a 1941 American comedy film directed by A. Edward Sutherland, written by Paul Gerard Smith, and starring Lloyd Nolan, Alexis Smith, Craig Stevens, Gene Lockhart, Edward Ellis and Walter Catlett.

[1][2] Rocky and Pete Evans are following in their father's footsteps working on girders building a bridge for John Powers.

Chuck, their brother, prefers using his brains over brawn in get rich quick schemes that usually fail.

Chuck tries to interest Rocky in financing a plan by Professor Samson, who claims to have invented a new product called Samsonite, (named after him), which is as strong as steel and as flexible as rubber.

Rocky is romantically interested in Helen Powers, the daughter of the bridge contractor, and invites her home for dinner.