Menace, Anyone?

Plot:

Jessica is the guest of honour opening the children's fund benefit exhibition tournament in Elliot Robinson's Green River Racquet tennis club, where her young friend Carol McDermott has a managing position. Brian East, Carol's charming fiancé who dumped haughty fellow tennis player Cissy Barnes for her, is killed by a dynamite explosion in the car he borrowed from Carol. Investigating detective lieutenant Tad Travis is a fan of Jessica, but is killed by knife when he visits Carol at home; she claims the killer is her beloved sister Barbara, an alcoholic who was buried...