A notorious hotel owner known for her meanness is found dead under an ice sculpture, and the clues to the death of a second woman who fell to her death onto a school bus can be found in the book "Peter Pan."
Investigators believe that a corpse they found is that of a serial killer from their past. However, they soon discover that the body was made to look like the killer, and that the killer is after a new target.
A high school guidance counselor is killed during a dance. The case may be connected to the sexual assault of one of the students by another classmate, and a deputy inspector's daughter holds the key to solving the crime.
CSI investigates the poisoning death of a fan at a basketball game, moments after making a million-dollar half-court shot. Meanwhile, the taxicab killer strikes again, and the team finds more clues about the killer's identity.
Mac barely escapes death after his kidnapping and quickly goes to work trying to track down the location and identity of the bank robber. During the investigation, CSI discovers that Flack's sister may have a connection.
CSI connects two radiation poisoning deaths to a dead librarian and the rare books collection at the New York Public Library. However, the life of the medical examiner is in the balance after he comes in contact with one of the bodies.
A powerful business consultant is killed during an unrelated street party, and the motive appears to be related to her missing flash drive, which contains incriminating information against some of New York's most influential people.
A man is found dead in a basement, but the house where the death occurred is found miles away on a barge in the East River. Meanwhile, Flack discovers that his sister lost her job and has a drinking problem.
Night find the big city as two NYPD officers come upon a young man attempting to put a young woman's body in the trunk of a car. When the police go after him, the young man is impaled on a fence, leaving many unanswered questions. Stella and Det. Angel investigate the death of a pawn shop owner that reveals an old foe is back.