Cole and Phoebe both fall under the spell of the Siren, who lures husbands to her and entrances their wives to follow with the intent to kill, leaving Piper and Paige to figure out how to save Phoebe.
Horatio's ex and Kyle's mother, resurfaces as a billionaire's widow who will do anything to get her son back.
While investigating the murder of a transgender showgirl, the CSIs work to narrow down their suspect list from a large number of guests since the victim was murdered outside a congressional banquet and a magazine launch party at the hotel. Stella and Sheldon face an uphill bureaucratic battle when they learn that the victim was involved in a heated argument with a congressman shortly before being killed. (TV-14)
Melanie is paired with offensively macho radio cohost Frankie, Joy and Elka fail their final exams, and J.J.'s children find Victoria reminiscent of their late mother.
A thirteen-year-old boy uses his Bar Mitzvah in an effort to seduce Nina.
