The second series of Law and Order: UK premiered in the United Kingdom and Ireland three weeks ago and the season's fourth episode is scheduled for transmission at 9pm on ITV1 tonight. Freema Agyeman, who played Martha Jones in Doctor Who and Torchwood, will reprise her role as Alesha Phillips in tonight's episode which will also star Bradley Walsh who played Elijah Spellman, Odd Bob and the Pied Piper in the second series of The Sarah Jane Adventures. Sacrifice is the title of this week's story and it will involve the case of a vulnerable man's kidney being stolen. You can view more information about Law and Order: UK here on the programme's official website and each episode will also available to watch here on ITV Player for thirty days after their original broadcast. Will you be watching this episode of Law and Order: UK when it airs later tonight?