After the special team led by Simon completed Operation Solar Wind, the Kuiper people launched a massive invasion of the Earth Federation. With humanity's survival at stake, Melina, secretary to the Federal Presidential Office, staged a coup, placed President Katelyn under house arrest, declared herself empress, and planted a doomsday device capable of blowing up a planet at the heart of her homeworld, Earth.
The secret Mars base sent female agent Meng Ruliu back to Earth in secret to carry out a mission to eliminate the traitor. But while carrying out her assignment, Meng Ruliu uncovered a shocking secret: Melina was an alien spy who had infiltrated humanity, and Meng Ruliu herself was a hybrid born of Melina and an Earthling... Just as Meng Ruliu was overcome by pain and despair, Lei Xiaotian, a mysterious expert from the aerospace base, secretly came to her aid with boundless power. He told her that this struggle concerned not only the survival of Earth's people, but also the battle between light and darkness, justice and evil, across the entire Milky Way...
