London, 2006: Alexander Litvinenko (David Tennant)-ex-FSB, defector, and vocal Putin critic-was dosed with a radioactive isotope that killed him in a matter of weeks. The decade-long battle for his widow Marina (Margarita Levieva) to have legal culpability for his death lain at the feet of his former handlers receives an absorbing retelling in this ITVX offering. Mark Bonnar, Neil Maskell, Mark Ivanir, Barry Sloane, Daniel Ryan, Sam Troughton, Stephen Campbell Moore also star. 3 1/4 hrs. Widescreen; Soundtrack: English
