Daniel teams up with Esther Krug of the BfV to prevent the next Shaw leak involving a foreign defector. Valerie and Robert spar over strategy as her investigation into Iosava gains traction; Hector gets a late-night visit from Shirley Pimple.

In the wake of the botched Iosava Op and Clare Itani's kidnapping, Frost pursues traditional channels to negotiate Clare's release; Hector goes rogue, bringing Daniel with him.