Qin Fan, a young man, falls from Mount Tai and mistakenly enters the fairy world, becoming the number one sword immortal. Three thousand years later, he breaks through the spatial barrier and returns to Earth. Three thousand years in the fairy world, only three years on Earth. Fortunately, he returns to find his family still there. This time, there is nothing in the world that he cannot solve with a single sword. If there is, then he will use another sword!