Abstract of the book "Zero Frequency: Vengeance (Book 4)"

In a world where everything is connected… he is the only one left outside the network. Tai does not respond to the system. He cannot be synchronized. And when his power is unleashed… reality trembles. What was once an experiment… became a weapon. And they used him. They forced him. They broke him. Until they disappeared. Or so he thought. Years after the fall of the system, the world found a fragile balance. But in the shadows, an organization still operates… quieter, deadlier. And they have something that belongs to him. His sister. The love of his life. Now Tai doesn’t run. He doesn’t obey. He doesn’t negotiate. He hunts. One by one, he will find those responsible. One by one, he will make them fall. But every surge of electricity pushes him closer to losing control… and becoming the ver