An assassin stalks the city streets, leaving only a vague riddle as a calling card. Roger and Dastun investigate the happenings and get a lead that might hold dark secrets and memories long forgotten.
The police and every other survivor watch as the Big O and Big Fau begin their final clash. Who will be the ultimate victor and what will become of the city and all of its people?
A strange object from the sky crashes into the city before it is recovered by the Paradigm organization. Roger is tasked with ascertaining the nature of the strange object.
Roger and Dorothy battle against three foreign mechs when he takes a hit. Suddenly he finds himself 40 years in the past and living a different life, causing him to question his existence.
Schwarzwald threatens that he had discovered a powerful mech called the Leviathan. Roger scrambles to find him before he unleashes its power on the world.
Kelly Fitzgerald hires Roger to protect her husband from an assassin. Rumors are the city Senate is killing anyone with knowledge of the past, so Roger and Dorothy begin their investigation.
The Big O battles the Bonaparte when Roger realizes that Dorothy is in danger. He leaves the Big O to fend for itself as Angel confronts Alan, who is holding Dorothy hostage.
Journalist Michael Seebach has been missing for three months and his secretary, Angel, hires Roger to find his missing manuscript. However, as Roger investigates, he learns there is more to the reporter than initially presumed.
A bomber is planting explosive toys all over town that cause destruction. The city government discusses what to do as a man named Dastun had visions of a ethereal woman in his dreams.