Interstellar Crack: but I Will Take Action

The Hope spacecraft is about to set off from the earth, and the people have long lost their trust in the United Nations and the group army. As the protagonists, 473 and 474 plan to escape from here and join the Hope in order to save the earth, but the process is not that easy. What unknown secrets does 473 have in his body? Can the energy crisis of the earth and the cracks in the interstellar world be changed by an "experiment"?