The apocalypse psychic Xia Li accidentally arrives in a special era. Facing family changes and the arrangement to go to the countryside, she takes the initiative to say goodbye to an unsuitable engagement and goes to Nandao with her parents to start a new life. With her rich knowledge and hands-on ability, she improves farm tools, repairs equipment, and overcomes scientific research problems, growing from an ordinary person into a scientific research backbone. Lu Dingyuan also goes from misunderstanding to appreciation, knowing and guarding each other in side-by-side cooperation. Xia Li gradually finds her responsibility and ideal, uses technology to improve life, and guards her family and collective.