In 2300 A.D., after 20 years of interstellar war, the Earth Federation finally surrendered and the Earth became a colony of aliens. All human beings are subjugated slaves... The most prosperous area in Huahai City is alien The concession of the colonists, where there are always singing and dancing, is like a paradise, where countless traitors bow their knees and courteously. However, in the shadow far away from the bustling, a resistance organization that is unwilling to sink has been quietly established. The night will pass, and the dawn will come!