Spies hold the son of a nuclear physicist (Gene Barry) hostage in exchange for the Los Alamos bomb formula.
As a wealthy retired surgeon nears the end of his life, he begins to distribute his wealth to those in need, stating that "all that I have belongs to God." His nephews bring him to court to determine his mental competence in the hopes of stopping him from disposing of all his money.
Although the son of a skilled golfer and an outstanding player in his own right, Harvey Miller is too nervous to play in front of a gallery, so he acts as coach and caddy for Joe Anthony, his girlfriend's brother.
The residents of a small town are excited when a flaming meteor lands in the hills, until they discover it is the first of many transport devices from Mars bringing an army of invaders invincible to any man-made weapon, even the atomic bomb.
