When mezzo-soprano Renata Radleigh stumbles over a corpse on London's Hampstead Heath, she suspects the death has something to do with her brother Don's boss, a billionaire speculator who will go to any lengths to keep his identity secret. Don is acting as his front-man in far-off St. Louis, Missouri, buying up a borderline slum called Parkdale. Don has an apartment in Parkdale and claims he wants to save the neighborhood. He's even having a romance...