Perry Mason (Raymond Burr), America's favorite defense attorney, is back in action once again! Employing the skills of Della Street (Barbara Hale) and Ken Malansky (William R. Moses), Perry once more attempts to exonerate the accused.A tennis player is accused of murdering an heiress in the csase of the Lady in the Lake and in the second case one of Perry's law students is accused of murdering Perry Mason's friends son.