Florydia, the city of masks, is as corrupt as it is beautiful. Fulvio Donati, cyborg assassin and thief, adopted a double identity. When night falls, Fulvio becomes Umbra: a masked vigilante, a charming and lethal shadow. Soleluna Giordani, philosopher and alchemist, searched for immortality and found it with terrible consequences. Their consciousness has been trapped within a mask for almost 800 years. In a beautiful, yet corrupt land where crime lords, vicious celebrities, and ruthless politicians compete for the highest power, a deadly conspiracy is unfolding. While alchemists and courtesans fight to survive, and a prince searches for the one to save his life, Fulvio finds himself involved in intrigues and machinations. Together, Fulvio and Soleluna will find the answer; Soleluna with their wit and wisdom, Fulvio with his charm, skills, and access to the future Soleluna has never seen. Together, they shall save Florydia from its downfall.