Gabriel Syme is a poet of law and order who believes sanity and respectability are man's true victories. Recruited by a mysterious chief at Scotland Yard into a special anti-anarchist detective corps, he infiltrates the Central Anarchist Council. Armed with a swordstick and a strong philosophical resolve, he seeks to thwart their destructive plans.

Lucian is a fiery poet living in the artist colony of Saffron Park. He passionately believes that true art is rooted in chaos, openly declaring his hatred for societal conventions. His arrogance and desire to prove his authenticity to Syme prompt him to reveal dangerous secrets.

Sunday is the imposing President of the Central Anarchist Council. He dominates every room he enters with his immense size and unpredictable behavior. He strikes terror into his subordinates while displaying a bizarre sense of authority.

Known on the Council as Monday, the Secretary is a pale, intellectual man with a small triangular dark beard. His face features a crooked, unnerving smile that immediately unsettles those around him. He acts as the strict enforcer of the Council's protocols.

Gogol, representing Tuesday on the Council, is a hairy man with a thick brown beard and a heavy Polish accent. He is visibly uncomfortable with the group's brazen tactics. He prefers traditional secrecy, which frequently draws the ire of the President.

Representing Wednesday on the Council, the Marquis is a distinguished-looking man with a square-cut black beard. Despite his refined appearance, his presence feels deeply dangerous. He is entrusted by the Council with a deadly international mission.

The Professor is a decrepit, gray-bearded philosopher who holds the position of Friday on the Council. Despite his apparent senility, he possesses an unnatural swiftness that makes him an inescapable presence in the streets of London. He trails Syme relentlessly across the city.

Dr. Bull is a short, clean-shaven man who hides his eyes behind thick spectacles. His mysterious eyewear and eerie silence make him deeply frightening to those who meet him. He is entrusted with the logistical details of the group's violent operations.

Rosamond is Lucian's sister, distinguished by her golden-red hair and calm demeanor. She serves as a stark contrast to her brother's passionate nature. She expresses genuine concern over the violent rhetoric he espouses, questioning Syme privately about the true danger her brother poses.

Colonel Ducroix is a French military man who assists in a tense duel in Calais. He is well-connected in the local area. He provides transportation and support when chaos erupts in the French countryside.

Dr. Renard is a wealthy friend of Colonel Ducroix who owns several motorcars. Initially dismissive of the threat of anarchy in France, he soon finds himself swept up in a frantic chase across the countryside.