The Lady in the Lake: A BBC Radio 4 Full-Cast Dramatisation

Derace Kingsley, a wealthy businessman, hires Marlowe to find his estranged wife Crystal, fearing that she may have got herself into a scandal. Rich, pretty, spoiled and reckless, Crystal is all kinds of trouble rolled into one as far as Marlowe's concerned, but he agrees to take the case and heads to Kingsley's vacation home.