Key of Brown - a thriller, action, drama - tells the story of one harrowing night in the life of Bernadette Lawson a retired call girl, recently released from prison and serving out the remainder of her sentence on monitored house arrest. In need of cash, she can't resist doing a quick, one hour, five hundred dollar favor for her ex-madam, but the night turns deadly when the client turns out to be a notorious serial killer of prostitutes, wanted by the F.B.I. and transporting a kilo of high quality brown heroin.