A war between ancient magical factions erupts in London following the murder of a Neon Court daimyo, forcing Matthew Swift to confront his own entanglements with the dead. Matthew Swift, a powerful magician, is drawn into a deadly conflict when Oda, a warrior from The Order and an associate of Swift, is found dead. The Tribe, an ancient enemy of the Neon Court, is blamed for the murder, setting the stage for a devastating war among London's magical underbelly. Swift must navigate this treacherous landscape, uncovering the truth behind Oda's death while dealing with his own complex relationships and the escalating violence.

The Neon Court is the second installment in Kate Griffin's Matthew Swift series, continuing the intricate urban fantasy narrative. Readers have noted the series' complex world-building and its blend of magical intrigue with a gritty London setting. The book is recognized for its fast-paced plot and the development of its central character, Matthew Swift, as he navigates dangerous alliances and personal betrayals. The reception often highlights the series' unique take on magic and its exploration of the darker aspects of supernatural conflict.