When he accidentally takes possession of a top-secret invisibility potion while en route to his wedding, government bureaucrat Sam Cooper finds himself engulfed in a madcap free-for-all as Russians and other bad guys try to get the substance. To elude the Reds, his own State Department bosses and his livid fiancée, Cooper takes the vanishing juice himself—which only makes matters worse.

Philo takes part in a bare knuckle fight - as he does - to make some more money than he can earn from his car repair business. He decides to retire from fighting, but when the Mafia come along and arrange another fight, he is pushed into it. A motorcycle gang and an orangutan called Clyde all add to the 'fun'.

A prince and a fellowship of companions set out to rescue his bride from a fortress of alien invaders who have arrived on their home planet.