- Russell and Finlay must confront a serial killer case from their past while working in Seattle when a copycat killer suddenly emerges in Las Vegas.
- 由Gil Grissom领导的拉斯维加斯警局犯罪鉴证科夜班组的任务是深入案发现场寻找种种蛛丝马迹，并利用最先进的科技手段，把表面上没有任何联系、没有意义的线索拼凑成不可辩驳的证据，抽丝剥茧重组案情，让犯罪分子无处可逃……
- Russell and Finlay must confront a serial killer case from their past while working in Seattle when a copycat killer suddenly emerges in Las Vegas.
