Summoned by the Russians, Verloc is given a mission to orchestrate a bombing that can be blamed on the anarchists and provoke a political crackdown by the British.

Having recruited Winnie's younger brother Stevie to help with his bomb plot, Verloc goes to Stevie to Michaelis' Kent cottage to prepare.

As the authorities struggle to make sense of the rationale behind the Greenwich attack, Chief Inspector Heat moves to arrest Verloc.