When beautiful blonde Diana Regis appears at Perry Mason's office with a nasty black eye, the lawyer agrees to investigate. What does he find?
A spoiled young man whining about a diamond theft, a rich old man looking for a missing grandson, a pretty young woman desperate for a driver's license--and a rain-soaked corpse. Only Perry Mason, with the quick-thinking help of Della Street and Paul Drake, can crack the case of the black-eyed blonde.