Before the destruction of the earth, botanist Ye Wei accidentally obtained a portable space and boarded the escape spacecraft with her 5-year-old nephew Xiao An, but was abandoned on an abandoned planet with few resources. She used the land in space to grow crops and raise livestock, repair the planet's ecology, take in other refugees, and gradually transformed the abandoned planet into a livable interstellar paradise. She also discovered the shocking secret of the destruction of the earth.