: Tommy scolds Arthur for wearing a black shirt to a rally, forcing him to change into white to avoid public association with the movement. This highlights Tommy's struggle to exist "between left and right, light and shade" as he infiltrates these groups to undermine them.
: Arthur is depicted as a diminished, addicted figure, though he shows flashes of his former self when he and Tommy fight Mosley’s blackshirts.
: The episode uses tunnel-like imagery in its cinematography—such as the framing of the Garrison Tavern and long corridors—to mirror the claustrophobic and inevitable path Tommy is walking toward his "endgame". Key Plot Developments