While trying to destroy a deadly chemical that is being produced via computer by an enemy government, Barney is critically injured and held captive. With Barney out of commission and time running short, the IMF must find another computer expert.
An adult film actress is found strangled to death in the park and the CSIs are called in to investigate and find the killer.
The team takes on the spirit of an abusive former matron at a Civil War-era orphanage in Gettysburg.
Nick takes on the case of two children after their brother dies from their father's neglect.
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