1918: Reilly and his friends filter back to Britain and face questioning from an official enquiry. As Lenin's condition becomes stable, both Reilly and Dzerzhinsky plan their next moves.

1925: Reilly has been arrested and is subjected to interrogation and torture. Back in Britain, Pepita fights to find out the truth while Cummings campaigns for his release. As Dzerzhinsky’s whole operation is put under threat, a last minute deal is attempted.