In 2751 AD, we chose ultra-deep space. This is our pursuit and our destiny. In this era, human beings no longer distinguish between each other, and there are no distinctions between countries and races on the earth. All mankind has been completely liberated, and the sunshine of communism shines all over the world. The mutual exploitation, enslavement, mutual abandonment, mutual contempt, hatred, hostility and confrontation between human beings have completely ended. In a world full of equality, democracy and freedom, the real pressure on human beings comes from their own desire for survival. It took Gao Yuanyu and Li Changji ten years to reach the edge of the universe 131.4 Billion light-years away, and successfully landed on the terrestrial planet M-44by411g. They observed the Big Bang and the new universe, making contributions to human exploration of the universe. After completing the mission, they prepared to return to Earth but encountered the obstruction of the multiverse wall. The story ended with people speculating on the possibility of successfully returning to Earth! Readers who love science fiction are welcome to read.