Perry Mason, helping a citizen's committee fight a proposed construction project, gets more deeply involved than he had planned as bribery, political blackmail and murder develop.

Womanizing playboy Loring Lamont has his sights set on Arlene Ferris, his father's shapely secretary. He lures her to his beachfront bachelor pad with seduction on his mind. Arlene slaps the rotter and flees taking Loring's car back into town.