Episode 1
S
Drama series. Two police officers are summoned to a hospital to interview Alexander Litvinenko, an ex-Russian spy who claims to have been poisoned on the orders of Vladimir Putin.
Drama. With the police investigation complete but Litvinenko's killers safe in Putin's Russia, Marina begins an eight-year battle to try to find justice for her husband's murder.
With strong language. Turn on Parental controls
Don't miss ITVX's exclusive new true crime drama - David Tennant stars
More info