Before collapsing from a heart attack, Dickie manages to hide his phone on the bus with a single drafted message: "Cicada" .
Dickie methodically tracks the man across London, onto a train, and finally a bus. [S2E1] Last Stop
The pair are tasked by an outside contact to provide security for a meeting between a Russian defector and a British businessman. This subplot hints at a larger geopolitical intrigue involving Russian oligarchs. Before collapsing from a heart attack, Dickie manages
The episode centers on , a retired MI5 field agent who now runs an adult toy shop in Soho. The inciting incident occurs when Dickie spots a man in a flat hat—a face he recognizes from his past as an agent in Berlin before the Wall fell. This subplot hints at a larger geopolitical intrigue
River Cartwright uncovers CCTV footage showing the bald man touching Dickie on the shoulder. This suggests a sophisticated assassination involving an injected toxin, confirming Lamb's suspicion that Dickie's "heart attack" was engineered. Subplots and Slough House Dynamics