Verloc uses Stevie in the bombing attempt at Greenwich, which ends in tragedy when Stevie is killed. Winnie, devastated by the truth, discovers her husband’s role and makes a fatal choice that unravels the rest of her life. The story spirals into a bleak climax, blending terrorism with emotional collapse. Winnie's psychological unraveling and ultimate fate expose the brutal impact of ideology on personal lives. Conrad closes the novel with chilling clarity, portraying the hollow aftermath of violence and the fragile limits of human morality.