Valerian et Laureline (english version) - Volume 13 - On the frontiers

On an interstellar cruise ships, a mysterious individual in full environmental
suit is working hard to get to Earth. On Earth, meanwhile, another person in a
spacesuit is exploring a nuclear reactor on behalf of its owners. That second
man is Valerian, and since the disappearance of Galaxity, he’s been forced to
make a living by putting his advanced knowledge and equipment to good use. But
what he’s discovered insidethe plant is extremely worrisome...