While investigating the death of a man, Jordan gets a call from someone who tells her where some vital evidence is. She and Woody track the caller and discover that the caller is an agoraphobic who is also a voyeur. But Woody does a check on the man and discovers that he and the victim have a connection which makes him a suspect. But Jordan believes he is not because of his condition which Woody doesn't. Lily gets upset when an immigrant being held in a detention center is killed. She learns he has a brother and tries to find him.
When a body is found in an old house which some people think is haunted, Jordan tries to find out what happened. When Woody has a close call in a parking garage, he finds a body. Macy works with him and they learn the man is a soldier who was discharged. They also learn he has traces of explosives on him.
Woody believes that they have in custody a serial killer who was active years ago who stopped but appears to be active, who was arrested on a different matter. So he asks Macy and Jordan to come up with some forensic evidence that could be link him to the murder. Woody has to deal with the ambitious detective, who arrested him. And Bug is trying to help Detective Seeley locate some crucial evidence which was devoured by a cat.
Jordan must determine if Sam and Danny of the Montecito Casino are suspects in a high roller's death when a suspicious death occurs on the Montecito private jet. This two-part cross over story when it continues in Season 2 of "Las Vegas"
Jordan is investigating the death of a student whose death appears to be suicide. But autopsy reveals he was murdered. Initial investigation reveals he was involved with his faculty adviser so she's the prime suspect. Later they learn that the victim was not who he claims to be. Garrett is investigating the death of a man whose organs were taken which means it might have something to do with black market organs.
Jordan comes across something that links to a case she worked on when she was in L.A. She returns to L.A. because what she found can possibly prove that the person who was convicted of the crime and who is now on death row is innocent. But none of her contacts in L.A. are willing to help her so she asks Woody to help her. And Bug decides to investigate the death of a man whom he earlier encountered who was asking for help but whom he dismissed as crazy when he appears to have died of natural causes.
Garrett and Woody go to the airport when two people die suddenly. The airport manager is worried that it could be an act of terrorism or an outbreak. But Garrett says that the victims appear to have died of drug overdose. Which is impossible because the two victims were never together and on surveillance footage there were no signs of them taking anything. Jordan decides to investigate the owner of home for the elderly. Because a man who was in his care, died and the man's daughter claims that the owner kept her away from her father.
Jordan, Garret and Woody attempt to track down evidence from a string of murders committed over 20 years earlier. Meanwhile, Lilly's mother comes for a visit and Lilly has to make a difficult decision.
When a foreigner who works for a diplomat dies, he is taken to the morgue but before an autopsy could be done, the man he works for takes the remains. Shortly after his wife claims that the man, son of the ambassador, he works for, killed him. But unfortunately there's nothing that they can do because of diplomatic immunity. So the woman goes to the embassy and pulls out a gun and demands that the coroners take her husband's body and do an autopsy. She demands that Jordan remain. So Macy and the others try their best to find out what happened to her husband.
One of Garrett's cases is being disputed and the man who along with Garrett vied for the job of M.E. is sent to reexamine the case. Garrett suspects that is all a political ploy to try and smear a man who was the prime suspect at the time, and for the man to get back at Garrett for getting the job he wanted. And he asks Jordan to assist him. And he discovers several anomalies that make Jordan doubt if Garrett is not complicit.