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.

1924: Reilly is in exile in New York drumming up support and money for Savinkov’s anti-bolshevik movement. A new organisation, the Trust, campaigns for Savinkov’s return, but Reilly suspects that Dzerzhinsky is behind them.

1925: Reilly’s propaganda war against the Trust has gone well enough for them to reach out and invite him to Russia. He hopes to finally undermine Dzerzhinsky’s operation, but Dzerzhinsky is already under scrutiny from Stalin.

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.