From The Perry Mason TV Show Book (revised)
In this episode, Sybil Granger hires Perry to help her buy stock in her husband's oil company on the sly. Sybil wants some control of the company's action with hopes of forcing hubby's latest squeeze, Roxy Howard, out of the company and the picture altogether.
Sybil spies on Roxy and gets caught by George Lutts, another investor in her husband's company. When Lutts is shot, Sybil ends up on trial for his murder. Perry has to turn to his bag of courtroom tricks to get her off the hook.