Benji has become stranded on a remote island after a boating accident. He finds himself struggling to survive in the wilderness, avoiding close encounters with a wolf, a bear, and a territorial female cougar with her cub.
Test pilot Tuck Pendleton volunteers to test a special vessel for a miniaturization experiment. Accidentally injected into a neurotic hypochondriac, Jack Putter, Tuck must convince Jack to find his ex-girlfriend, Lydia Maxwell, to help him extract Tuck and his ship and re-enlarge them before his oxygen runs out.
A young and impatient stockbroker is willing to do anything to get to the top, including trading on illegal inside information taken through a ruthless and greedy corporate raider whom takes the youth under his wing.