Peggy Does Her Darndest

The Honorable Hugh Wentworth, arriving from England with a valuable diamond to millionaire Edward Ensloe. Ensloe's eldest daughter Eleanor has romantic designs on Hugh, but he is more attracted to her tomboy sister Peggy. Eleanor is concerned with fashion and society while Peggy prefers tomboy pursuits with her younger brother Bob. Hugh stays at the Ensloe house and is amused by Peggy's correspondence course in detective work. After a detective is hired to pose as the butler to protect the rare gem, Peggy disguises herself as the maid and captures prowler "Lonesome Larry" Doyle with the use of jujitsu. Peggy saves the diamond and also wins the love of Hugh.