Francesca Faridany

A female financial analyst with a fetish for sexual bondage is found hanging dead, but while Detectives Benson (Mariska Hargitay) and Stabler (Christopher Meloni) debate if her death was a suicide or homicide, they discover that the victim recently tried to purchase $10 million of diamonds -- all of which leads to a Wall Street financier (guest star Geoffrey Nauffts) with a mean streak. During their hunt, they cross paths with a Tennessee insurance investigator (guest star Craig Heidenreich), a crooked charity organizer (guest star Christopher McCann) and other low-lifes from the sado-bondage scene. Richard Belzer, Dann Florek, Michelle Hurd and Dean Winters also star.

After the son of two popular singers dies by running into oncoming traffic, his mother (guest star Christine Andreas) claims that her son was fleeing from a child molester. But when forensics uncovers signs of emotional trauma in the boy, Detectives Benson (Mariska Hargitay) and Stabler (Christopher Meloni) suspect that the hands-off approach to parenting employed by the two touring pop stars may have taken a fatal toll on their son -- and may be responsible for their daughter Ashley's (guest star Hayden Panettiere) escalating self-destructive behavior as well.

Bull and the TAC team question whether they have a solid defense when they represent wealth manager Rachel Elliot (Francesca Faridany) who's on trial for her husband's murder, which she claims to have no memory of due to an alcohol-induced blackout.

Saul and Sandy have an idea. Carrie needs to choose a side. Keane needs an ally.

On Christmas Eve, the emergency room staff scrambles to finish work and go home for the holiday. While Abby treats a dialysis patient who is in critical condition, she can't reach his personal physician because he doesn't want to be disturbed during the holidays. Meanwhile, after much effort, a distraught Chen finally finds someone to work her shift so she can take care of her ailing father. Concerned for her, Pratt stops by her house and finds her struggling with her father's worsening health. Carter and Wendall (recurring guest star Mädchen Amick) grow closer and share an awkward kiss as they wish each other a merry Christmas.