A Russian scientist and an Britsh MI5 agent are suspected of collusion. Jonas is sent to London to team up with the agent. However, things get complicated as Jonas had been engaged to the agent's wife earlier.

Adam Gregor, Arthur Hankett, Chino Binamo, Craig Fairbrass, Erika Schaefer, James Bannon, James Devoti, Joe Gieb, Jonathan Avigdori, Kim Thomson, Mackenzie Firgens, Nicholas Irons, Phil Hendrie, Rebecca Pidgeon, Yara Martinez