A ransomware attack is just the beginning.

In Roselyn Teukolsky’s The Fourth Woman, Madeline Geiger faces a terrifying new threat when a digital breach locks down her system. As she hunts the hacker, she begins dating a brilliant neurobiologist whose intense behavior takes a dark, manipulative turn.

Soon, her safe world fractures. Suffering from mysterious memory gaps and physical pain, Madeline realizes she is being hunted by a predator who has turned her everyday household devices into instruments of psychological warfare. Teukolsky delivers a suspenseful, high-tech domestic thriller where an elite coder Madeline Geiger must dismantle a sinister digital trap before she becomes the next victim.