After years of pursuit and a countless number of murders, Langston comes face-to-face with serial killer Nate Haskell inside the house where his killing spree began.
When Willows works with the FBI again after a professional hit occurs at a law firm she recommended to her friend, the csi team identifies shocking similarities at the crime scene.
Three suspects come progressivo, para a frente with three different reasons why they killed an entire family and the csi team has to determine who is telling the truth.