This time, Federal Agent Gracie Hart goes undercover in Las Vegas to rescue her best friend, the Miss United States Pageant winner. She also has to deal with a new partner with anger-management issues and a dim view of Gracie.

A passionate team of trained forensic investigators, led by Gil Grissom, is back to solve crimes the old-fashioned way - by scouring the scene, collecting the evidence, and finding the missing pieces needed to solve the mystery.

Crime drama from the perspective of a Las Vegas forensic team.

When multiple bombs incite terror in Las Vegas, the shockwaves reach far and wide. Former CSI head Gil Grissom responds to the call of duty while FBI Agent Catherine Willows rushes back to her old hunting grounds. In his final Vegas case, lead investigator D.B. Russell helps unravel the fiendish web of evidence. The case turns personal as seasoned pro Sara Sidle navigates her history with Grissom.

In the fourteenth gripping season, from a serial slaughter and arson to mysterious disappearances and cannibal killings, lead investigator D.B. Russell uses science to shed light on the darkest crimes. With the help of blood-work expert Julie Finlay and veteran investigators Nick Stokes, Sara Sidle and Greg Sanders, the evidence never slips through the cracks.

Amidst the neon lights and long shadows, dark threats continue to lurk in Sin City. Maxine Roby leads her brilliant team of Crime Scene Investigators as they use science to solve baffling cases. Catherine Willows returns to help the CSIs face off with a dealer of death who is planning to beat the odds in Las Vegas. This combined force will deploy the latest forensic techniques in order to preserve and serve justice in Sin City.