Zhang Fugui unexpectedly travels back to the 1960s with a pocket dimension. Faced with a dilapidated thatched house and his younger sisters, who are painfully thin, he decides to stay and help the family improve their lives. He hunts in the mountains and catches fish in the sea. Under Zhang Fugui's care, his sisters quickly regain their health. He even uses the spiritual spring water from his magical space to cure his mother's chronic illness. Along the way, he helps the villagers overcome one crisis after another, foils the schemes of evildoers, and leads his family toward a happy and prosperous life.