The voice, belonging to a mysterious girl named Han, guided him through the neon-soaked streets of Seoul. She claimed he was the only one who could stop a virus turning the population into mindless, violent shells. But as Carter fought his way through high-speed train rooftops and free-falling airplanes, he began to realize the "Dual Audio" in his head wasn't just Han.

In a world where memories are traded like currency, woke up in a sterile motel room with a cross-shaped scar on the back of his head and a voice in his ear.

Trapped between two masters and a past he couldn't remember, Carter had to decide: was he a hero saving the world, or a weapon designed to end it? If you’d like to keep going with this story, let me know: Should Carter or go rogue?