Kill Switch follows Winter Ashby and Damon Torrance as Damon is released from prison after three years, more dangerous and unstable than ever. Winter thought sending him away would free her, but instead it only gave him time to plan his revenge. Damon blames Winter and her family for everything and returns determined to destroy not just her, but her entire world—isolating her, taking away her safety, and forcing himself back into her life. What begins as revenge quickly becomes a dark psychological war between them, where obsession, fear, buried desire, and devastating secrets collide.