The hour of truth has arrived. Martha is finally ready to tell Jon what happened during the Era of Big Beaver, two mysterious years that were wiped from his memory. On one side, the worst bad guy the planet has ever seen and his obsession to plunge Earth A into chaos. On the other, the Agency and its incredible fight to save the world? but at what cost?

First published in French in 2021 by Presses Aventure under the title Le grande fusion.