Philo investigates the murder of his childhood headmaster. Vignette ingratiates herself into the Black Raven. Imogen hatches a plan to help her brother. Breakspear goes on the offensive with Longerbane.

Philo consults a Haruspex in an effort to find clues about the killer. Vignette grows closer with her newfound family. Upon Jonah’s return home, his parents cast a more watchful eye over him as a new player makes a splash in Parliament. Imogen brings Agreus into her circle.

The pieces of the puzzle start to come together for Philo. Vignette finds home in a place she never expected. Jonah sneaks off to see someone he shouldn’t. Imogen and Agreus step out together in public.

Because he withheld evidence from his fellow detectives, Philo is accused of being the man behind the string of murders and is thrown in jail. There, he finds some unexpected help from Vignette. Elsewhere, Ezra takes exception to Imogen’s relationship with Agreus. Sophie offers Jonah a deal.

As tensions rise on Carnival Row, Philo must confront both darkness incarnate and the evil that controls it. Vignette gleans the true nature of The Burgue. Imogen lets her feelings for Agreus go unbridled. Breakspear's secrets catch up to him.

Lovers Philo and Vignette risk their lives to help the oppressed Faefolk of Carnival Row.

When Philo plots to challenge Jonah's hereditary claim to the Chancellorship, Vignette intervenes.

While Philo investigates the murders of the Black Raven’s leaders, Vignette plots revenge.

Philo races to stop Vignette’s revenge before the Black Raven spark even worse violence.

Philo plots Vignette’s rescue with an unlikely ally. Jonah discovers Sophie’s treachery. The murderer strikes again.