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.

Detective Mack "Mac" Taylor is a dedicated and driven crime scene investigator who believes that everything is connected and for everyone and every situation there is a story. His partner is Stella Bonasera, a workaholic who shares Mac's a passion for the job. They lead a team of experts amid the gritty and kinetic city that never sleeps.