P.K. runs away from home because her step-father keeps on harassing her sexually and her mother is ignoring the problem. She hides in the loading space of Kid Kane's pickup, who's on the way to the world championships in arm-wrestling. When he discovers her, he wants to send her home at first, but after he knows the story he takes her with him - and gets himself into big trouble: her step-father is behind them furiously, trying to kidnap her and take revenge for the stress he got from her mother.
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.
Navy Lt. Tom Farrell meets a young woman, Susan Atwell , and they share a passionate fling. Farrell then finds out that his superior, Defense Secretary David Brice, is also romantically involved with Atwell.