Foul Lady Fortune follows Rosalind “Ros” Lang, an assassin who cannot die due to experimental immortality. Years after surviving a brutal past, she is now working as a covert operative for the Nationalists in 1930s Shanghai.
To maintain her cover, Ros poses as a socialite and enters a fake marriage with fellow spy Orion Hong. Together, they must infiltrate dangerous political circles and investigate a series of murders that threaten national security. However, their mission becomes complicated as secrets from Ros’s past begin to resurface.
As Ros and Orion dig deeper, they uncover a conspiracy involving chemical warfare, espionage networks, and hidden enemies operating in the shadows of war-torn Shanghai. Trust becomes increasingly fragile as both must decide where their true loyalties lie.
Foul Lady Fortune is widely regarded in historical fantasy and young adult fiction. It is ideal for readers who enjoy spy thrillers, slow-burn romance, and richly detailed historical settings, offering a gripping blend of espionage, action, and emotional complexity.