Marcy Bowers, flight attendant, becomes a baseball coach while fellow stewardesses Pam Bellagio and Lisa Benton try to cope with a Russian defector and a tyrannical senior stewardess. 

A rekindled romance, a jewel theft, a stowaway, a nude medical student, and a fear-crazed passenger combine to turn a transcontinental flight into garish adventure for Sunwest "stews" Pam, Lisa and Marcy and Capt Doug March. Pam has a surprise reunion on the jetliner with an old flame whom she later suspects of having swiped a diamond pendant missing from the neck of a hardboiled old socialite on the plane. Lisa discovers the stowaway on board and takes on the responsibility of seeing that the slippery little runaway is returned to her parents. Marcy is stupefied to encounter the bare medical student on board, but recovers enough to press him into service when another passenger collapses due to fear of flying