In a case woven with one woman's lies a politician and a murder are entagled.

Certain that her employer is plotting to murder his wife, housekeeper Nellie Conway launches a counterattack.

A model fails to read the fine print when she signs a curious contract paying her $200 a week to gain weight for an assignment.

A woman hires Mason to nullify a clause in her late husband's will that disinherits her if she reopens the investigation of her son's death.

Franklin Shore, supposedly dead for 10 years, telephones his niece, Helen, and gives her instructions on how to meet him. Then someone takes a shot at Helen's boyfriend and attempts to poison the "deceased's" wife, Matilda.

Della buys the diary of a drowned woman at an auction and after reading the entries becomes convinced that the woman's death was not a suicide as was ruled at the time. This leads Perry into a case involving an eccentric millionaire, his two scheming assistants, and a kleptomaniac gorilla.

Perry is paid a visit by a Dorrie Ambler who wants him to verify her identity. Shady private eye Phil Arthur has been paying her to frequent certain places around town and Dorrie thinks it's because she bears a strong resemblance to madcap heiress Minerva Minden. After some digging, Perry finds out that Minerva might have been involved in a hit-and-run accident and it appears as though Dorrie is being used to prove that.