In this game, you play a rookie who just joined the Las Vegas Police Dept night shift Crime Scene Investigation team lead by Gill Grissom. You're immediately thrown out into the field as you investigate 5 different crimes. With an emphasis on careful observation, you must find minute, but vital clues with the latest in field investigation tools, take advantage of the skills of the medical examiner and trace analysis experts and interrogate suspects as you gather the all important evidence for the cause of justice.