Brian McCarthy

The Machine malfunctions during a reboot and supplies Finch and Root with the numbers of dozens of people not involved in any crimes; Finch and Root are locked out of the Machine as it identifies them as threats.

Danny's world is rocked when the Attorney General's office obtains new evidence against him in the self-defense shooting of a serial killer.

Philip and Elizabeth tell Paige more about the family business, but pressing new questions arise when an operation takes a ghastly and unexpected turn, and a sensitive package jeopardises Oleg's life back home.

While investigating a congressman who is falsely accused of soliciting underage girls, the SVU uncovers a sex trafficking ring.

Imminent Danger: Bull and the TAC team take a difficult pro bono murder case before the holidays and realise it will take a Christmas miracle to win, as the presiding judge has a grudge against Bull. Also, Marissa pushes for an office Christmas party, and Taylor embarks on a new romance. (S4, Ep10)

Piper is shocked at an unexpected change in her status, and Soso's hunger strike attracts new support which takes on a religious fervour.