Super agent Martina Hayes retired after her final mission and returned home to live quietly with her granddaughter Daisy. To give her a normal life, Martina buried her past and became just another grandma. But when school bully Jax set his sights on Daisy—first tormenting her, then kidnapping and assaulting her, even live-streaming the horror to Martina—the grandmother's fury exploded. She strapped on her gear, tracked him down, and went for blood…
