If you had a time portal that could take you back and forth between the late Ming Dynasty and the modern era, what would you do? Would you become incredibly wealthy, or would you secure the nation? Would you enjoy life to the fullest, or would you drive out the invaders? A child would choose one, but Li Chaosheng chooses both. However, as Li Chaosheng delves deeper into this world, he discovers that it's not a simple historical plane. What's up with these sword-wielding immortals who can fly?