Early one morning, a body is found lying next to the railway tracks just outside of Kuki Station in Saitama Prefecture, shot dead. It is identified as belonging to the owner of a local mill which is embroiled in a labour dispute. Suspicion initially falls on the workers' union, then on a new religious sect that has been gaining followers recently. Chief Inspector Onitsura and his assistant Tanna are called in to investigate, and soon set off in a journey across Japan, from Tokyo to Kyoto and Osaka, and finally to the island of Kyushu, in a hunt for the killer.

Lady Vivienne Harlowe doesn't fear much, and delves into life's experiences head on. But for years she's been plagued by the unsolved murders of her parents and the strange disappearance of other family members. Now, in the face of a new tragedy, she vows to follow every twist and turn until she's solved the dark deeds at Mablethorpe Castle.

Philadelphia, 1921. When Edie Shippen returns home after spending years in California recovering from Influenza, she's shocked to discover that her childhood sweetheart is engaged to her twin sister. Heartbroken and adrift, Edie vows to begin living her life as a modern woman—and to hell with anyone who gets in her way. But as young women start to disappear from the city, her newfound independence begins to feel dangerous.

Aymar Castle has been under siege for six months. Food is running low and there has been no sign of rescue. But just as the survivors consider deliberately thinning their number, the castle stores are replenished. The sick are healed. And the divine figures of the Constant Lady and her Saints have arrived, despite the barricaded gates, offering succor in return for adoration. Soon, the entire castle is under the sway of their saviors, partaking in intoxicating feasts of terrible origin.

Swordsman Richard Hughes has arrived on the banks of the Grand Canal looking for a simpler life, only to be plunged—alongside Phillip de Chambray, a remarkable woman unable to show her true self—into the thick of the murkiest, most dangerous European politics, at a moment when someone is trying to destroy the opera, and Venice itself.