Perry Mason is an attorney who specializes in defending seemingly indefensible cases. With the aid of his secretary Della Street and investigator Paul Drake, he often finds that by digging deeply into the facts, startling facts can be revealed. Often relying on his outstanding courtroom skills, he often tricks or traps people into unwittingly admitting their guilt.

Brilliant defense lawyer Perry Mason always wins his case with last minute evidence or sternly solicited confessions.