Ma Wei unexpectedly reincarnates in the 1970s and is sent to the countryside, where he arrives on the vast grassland. After awakening a portable space, he uses his exceptional courage and abilities to save the Mongolian siblings Wurina and Batu and starts a family with Wurina. Ma Wei hunts to protect his family, improves the grassland, helps herders build safe wooden houses, and fights off wolf packs. Together, the family works hard on the grassland, gains cattle, sheep, and horses, and enjoys a happy life. With the birth of their daughter, they peacefully begin a new life of their own on the grassland.