Its a hot early autumn evening in the small resort town of Mount Charleston NV where six firefighters are battling a massive blaze that threatens expensive homes a blaze that will cost them their lives Initially the police determine that the fire was humanstarted and the state wants to prosecute to the fullest extent of the law with six counts of homicide Now the team of Sin Citys finest criminologists led by Catherine Willows are assigned to work a crime scene far from the glittering lights and 247 spectacle of the Las Vegas Strip and soon find much more than they bargained for Meanwhile Ray Langston and Nick Stokes are called to a crime scene where a dog has taken a key piece of evidencea severed human handunder a suburban homes crawl space Whats even more disturbing is that its not the first severed hand thats turned up latelythere have been four other incidents around Las Vegas over the past twelve months