As a modern city person, Lei Yang crosses over to an unknown ancient island, without a system cheat, and without knowing the era and place he is in. Lei Yang has no choice but to rely on his own basic common sense to strive to survive on this unknown small island. Fortunately, Lei Yang is not alone; with the help of partners such as Ku Ya, Pu Lei, Mo Ni, and Xiao Lü whom he met on the island, even with only vague impressions, Lei Yang successfully applies some modern knowledge in the ancient village, causing the backward village to gradually become prosperous and strong.