Lights, parties, gambling, sin. All describe to the average person the grand city of Las Vegas. But underneath all the glamour, a nameless evil roams freely with no hint of its existence. Enter FBI Special Agent Charles Greyson. A talented young detective that stumbles upon this evil while investigating the murder of a rising crooked accountant in Los Angeles. The case pits him against conspiracies, cold hearted killers, traitors, and much more as he goes "all in" when dealing with the criminal underworld on this Death Gamble.