Alibis and Lies (Cybil Quindt Mystery)

The matriarch of the MacNiall family hires Cybil Quindt, apprentice PI, to find her illegitimate, illegally adopted granddaughter who inherited major shares. Whoever finds her will wiled unprecedented control. Concentrating on the missing heiress, Cybil uncovers lies, forgeries, illegal adoptions, blackmail and multiple murders, including attempts on her life.