A man wakes up in a hospital with no memory and severe convulsions. With the help of a nurse, Autumn, he learns to control the robotic ticks that control his body and plague his heart. However, not everything and everyone is as they seem.

With the Uprising having begun, it is up to the Lettermakers to assemble The LXD army and recruit fresh blood to fight the ultimate battle. However, to find the most extraordinary, they must hone their own skills first.