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.

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.

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.