Linden and Holder try to figure out the man behind the voice on the tapes on this week's The Killing. Elsewhere, Twitch gets into some trouble and Seward makes a friend.
In the season premiere of The Killing, Holder takes up a new case, which calls back to one of Linden's former ones. The clues begin to unravel and the truth about a serial killer on death row is called into question.