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
The term "Cicada" refers to deep-cover Russian sleeper agents embedded in British society—named after the insect that spends years underground before emerging. [S2E1] Last Stop
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. River Cartwright uncovers CCTV footage showing the bald